Home / 42,600,298.80-63,909,779.40-13,841,540.40

Finding the Fourth Proportional to 42,600,298.80, 63,909,779.40 and 13,841,540.40

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Solution

The fourth proportional to 42,600,298.80, 63,909,779.40 and 13,841,540.40 is: 20,765,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600,298.80 : 63,909,779.40 = 13,841,540.40 : x
  2. Step 2: Convert to fraction form
    42,600,298.80/63,909,779.40 = 13,841,540.40/x
  3. Step 3: Cross multiply
    42,600,298.80x = 63,909,779.40 × 13,841,540.40
  4. Step 4: Simplify right side
    42,600,298.80x = 884,609,793,520,187.75
  5. Step 5: Solve for x
    x = 884,609,793,520,187.75/42,600,298.80
  6. Step 6: Final answer
    x = 20,765,342.46

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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.