Home / 42,110,082.36-63,171,154.80-12,966,392.52

Finding the Fourth Proportional to 42,110,082.36, 63,171,154.80 and 12,966,392.52

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Solution

The fourth proportional to 42,110,082.36, 63,171,154.80 and 12,966,392.52 is: 19,451,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,110,082.36 : 63,171,154.80 = 12,966,392.52 : x
  2. Step 2: Convert to fraction form
    42,110,082.36/63,171,154.80 = 12,966,392.52/x
  3. Step 3: Cross multiply
    42,110,082.36x = 63,171,154.80 × 12,966,392.52
  4. Step 4: Simplify right side
    42,110,082.36x = 819,101,989,078,482
  5. Step 5: Solve for x
    x = 819,101,989,078,482/42,110,082.36
  6. Step 6: Final answer
    x = 19,451,445.90

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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.