Home / 12,102,246.40-18,153,369.60-6,130,278.40

Finding the Fourth Proportional to 12,102,246.40, 18,153,369.60 and 6,130,278.40

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Solution

The fourth proportional to 12,102,246.40, 18,153,369.60 and 6,130,278.40 is: 9,195,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,246.40 : 18,153,369.60 = 6,130,278.40 : x
  2. Step 2: Convert to fraction form
    12,102,246.40/18,153,369.60 = 6,130,278.40/x
  3. Step 3: Cross multiply
    12,102,246.40x = 18,153,369.60 × 6,130,278.40
  4. Step 4: Simplify right side
    12,102,246.40x = 111,285,209,546,096.66
  5. Step 5: Solve for x
    x = 111,285,209,546,096.66/12,102,246.40
  6. Step 6: Final answer
    x = 9,195,417.60

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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.