Home / 7,128,287.12-10,681,423.14-4,813,707.52

Finding the Fourth Proportional to 7,128,287.12, 10,681,423.14 and 4,813,707.52

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Solution

The fourth proportional to 7,128,287.12, 10,681,423.14 and 4,813,707.52 is: 7,213,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,287.12 : 10,681,423.14 = 4,813,707.52 : x
  2. Step 2: Convert to fraction form
    7,128,287.12/10,681,423.14 = 4,813,707.52/x
  3. Step 3: Cross multiply
    7,128,287.12x = 10,681,423.14 × 4,813,707.52
  4. Step 4: Simplify right side
    7,128,287.12x = 51,417,246,893,320.01
  5. Step 5: Solve for x
    x = 51,417,246,893,320.01/7,128,287.12
  6. Step 6: Final answer
    x = 7,213,127.93

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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.