Home / 42,644,922.12-63,952,416-11,931,248.16

Finding the Fourth Proportional to 42,644,922.12, 63,952,416 and 11,931,248.16

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Solution

The fourth proportional to 42,644,922.12, 63,952,416 and 11,931,248.16 is: 17,892,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,644,922.12 : 63,952,416 = 11,931,248.16 : x
  2. Step 2: Convert to fraction form
    42,644,922.12/63,952,416 = 11,931,248.16/x
  3. Step 3: Cross multiply
    42,644,922.12x = 63,952,416 × 11,931,248.16
  4. Step 4: Simplify right side
    42,644,922.12x = 763,032,145,727,554.62
  5. Step 5: Solve for x
    x = 763,032,145,727,554.62/42,644,922.12
  6. Step 6: Final answer
    x = 17,892,684.70

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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.