Home / 42,937,605.64-64,399,176.78-12,230,026.12

Finding the Fourth Proportional to 42,937,605.64, 64,399,176.78 and 12,230,026.12

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Solution

The fourth proportional to 42,937,605.64, 64,399,176.78 and 12,230,026.12 is: 18,342,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937,605.64 : 64,399,176.78 = 12,230,026.12 : x
  2. Step 2: Convert to fraction form
    42,937,605.64/64,399,176.78 = 12,230,026.12/x
  3. Step 3: Cross multiply
    42,937,605.64x = 64,399,176.78 × 12,230,026.12
  4. Step 4: Simplify right side
    42,937,605.64x = 787,603,614,125,897.50
  5. Step 5: Solve for x
    x = 787,603,614,125,897.50/42,937,605.64
  6. Step 6: Final answer
    x = 18,342,979.36

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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.