Home / 42,512,837.55-63,779,376.16-13,758,973.12

Finding the Fourth Proportional to 42,512,837.55, 63,779,376.16 and 13,758,973.12

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Solution

The fourth proportional to 42,512,837.55, 63,779,376.16 and 13,758,973.12 is: 20,641,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,837.55 : 63,779,376.16 = 13,758,973.12 : x
  2. Step 2: Convert to fraction form
    42,512,837.55/63,779,376.16 = 13,758,973.12/x
  3. Step 3: Cross multiply
    42,512,837.55x = 63,779,376.16 × 13,758,973.12
  4. Step 4: Simplify right side
    42,512,837.55x = 877,538,721,856,578.50
  5. Step 5: Solve for x
    x = 877,538,721,856,578.50/42,512,837.55
  6. Step 6: Final answer
    x = 20,641,734.89

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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.