Home / 12,472,750.10-18,724,871.55-6,720,065.30

Finding the Fourth Proportional to 12,472,750.10, 18,724,871.55 and 6,720,065.30

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Solution

The fourth proportional to 12,472,750.10, 18,724,871.55 and 6,720,065.30 is: 10,088,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,750.10 : 18,724,871.55 = 6,720,065.30 : x
  2. Step 2: Convert to fraction form
    12,472,750.10/18,724,871.55 = 6,720,065.30/x
  3. Step 3: Cross multiply
    12,472,750.10x = 18,724,871.55 × 6,720,065.30
  4. Step 4: Simplify right side
    12,472,750.10x = 125,832,359,550,112.22
  5. Step 5: Solve for x
    x = 125,832,359,550,112.22/12,472,750.10
  6. Step 6: Final answer
    x = 10,088,581.79

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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.