Home / 12,096,339.60-18,144,509.40-7,617,363.60

Finding the Fourth Proportional to 12,096,339.60, 18,144,509.40 and 7,617,363.60

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Solution

The fourth proportional to 12,096,339.60, 18,144,509.40 and 7,617,363.60 is: 11,426,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,339.60 : 18,144,509.40 = 7,617,363.60 : x
  2. Step 2: Convert to fraction form
    12,096,339.60/18,144,509.40 = 7,617,363.60/x
  3. Step 3: Cross multiply
    12,096,339.60x = 18,144,509.40 × 7,617,363.60
  4. Step 4: Simplify right side
    12,096,339.60x = 138,213,325,443,417.83
  5. Step 5: Solve for x
    x = 138,213,325,443,417.83/12,096,339.60
  6. Step 6: Final answer
    x = 11,426,045.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.