Home / 7,640,127.45-10,543,155.92-4,202,368.47

Finding the Fourth Proportional to 7,640,127.45, 10,543,155.92 and 4,202,368.47

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Solution

The fourth proportional to 7,640,127.45, 10,543,155.92 and 4,202,368.47 is: 5,799,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,127.45 : 10,543,155.92 = 4,202,368.47 : x
  2. Step 2: Convert to fraction form
    7,640,127.45/10,543,155.92 = 4,202,368.47/x
  3. Step 3: Cross multiply
    7,640,127.45x = 10,543,155.92 × 4,202,368.47
  4. Step 4: Simplify right side
    7,640,127.45x = 44,306,225,991,489.99
  5. Step 5: Solve for x
    x = 44,306,225,991,489.99/7,640,127.45
  6. Step 6: Final answer
    x = 5,799,147.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.