Home / 12,224,746.60-18,348,929.70-7,441,777.60

Finding the Fourth Proportional to 12,224,746.60, 18,348,929.70 and 7,441,777.60

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Solution

The fourth proportional to 12,224,746.60, 18,348,929.70 and 7,441,777.60 is: 11,169,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,746.60 : 18,348,929.70 = 7,441,777.60 : x
  2. Step 2: Convert to fraction form
    12,224,746.60/18,348,929.70 = 7,441,777.60/x
  3. Step 3: Cross multiply
    12,224,746.60x = 18,348,929.70 × 7,441,777.60
  4. Step 4: Simplify right side
    12,224,746.60x = 136,548,654,025,434.70
  5. Step 5: Solve for x
    x = 136,548,654,025,434.70/12,224,746.60
  6. Step 6: Final answer
    x = 11,169,855.58

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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.