Home / 7,172,429.07-9,897,955.83-4,074,957.84

Finding the Fourth Proportional to 7,172,429.07, 9,897,955.83 and 4,074,957.84

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Solution

The fourth proportional to 7,172,429.07, 9,897,955.83 and 4,074,957.84 is: 5,623,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,429.07 : 9,897,955.83 = 4,074,957.84 : x
  2. Step 2: Convert to fraction form
    7,172,429.07/9,897,955.83 = 4,074,957.84/x
  3. Step 3: Cross multiply
    7,172,429.07x = 9,897,955.83 × 4,074,957.84
  4. Step 4: Simplify right side
    7,172,429.07x = 40,333,752,709,432.20
  5. Step 5: Solve for x
    x = 40,333,752,709,432.20/7,172,429.07
  6. Step 6: Final answer
    x = 5,623,443.93

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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.