Home / 7,171,505.40-10,745,010.90-3,377,206.20

Finding the Fourth Proportional to 7,171,505.40, 10,745,010.90 and 3,377,206.20

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Solution

The fourth proportional to 7,171,505.40, 10,745,010.90 and 3,377,206.20 is: 5,060,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,505.40 : 10,745,010.90 = 3,377,206.20 : x
  2. Step 2: Convert to fraction form
    7,171,505.40/10,745,010.90 = 3,377,206.20/x
  3. Step 3: Cross multiply
    7,171,505.40x = 10,745,010.90 × 3,377,206.20
  4. Step 4: Simplify right side
    7,171,505.40x = 36,288,117,430,547.59
  5. Step 5: Solve for x
    x = 36,288,117,430,547.59/7,171,505.40
  6. Step 6: Final answer
    x = 5,060,041.85

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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.