Home / 13,631,897.69-18,812,079.68-7,436,925.56

Finding the Fourth Proportional to 13,631,897.69, 18,812,079.68 and 7,436,925.56

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Solution

The fourth proportional to 13,631,897.69, 18,812,079.68 and 7,436,925.56 is: 10,262,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,897.69 : 18,812,079.68 = 7,436,925.56 : x
  2. Step 2: Convert to fraction form
    13,631,897.69/18,812,079.68 = 7,436,925.56/x
  3. Step 3: Cross multiply
    13,631,897.69x = 18,812,079.68 × 7,436,925.56
  4. Step 4: Simplify right side
    13,631,897.69x = 139,904,036,208,948.61
  5. Step 5: Solve for x
    x = 139,904,036,208,948.61/13,631,897.69
  6. Step 6: Final answer
    x = 10,262,990.48

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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.