Home / 42,600,400.80-63,909,932.40-13,841,642.40

Finding the Fourth Proportional to 42,600,400.80, 63,909,932.40 and 13,841,642.40

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Solution

The fourth proportional to 42,600,400.80, 63,909,932.40 and 13,841,642.40 is: 20,765,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600,400.80 : 63,909,932.40 = 13,841,642.40 : x
  2. Step 2: Convert to fraction form
    42,600,400.80/63,909,932.40 = 13,841,642.40/x
  3. Step 3: Cross multiply
    42,600,400.80x = 63,909,932.40 × 13,841,642.40
  4. Step 4: Simplify right side
    42,600,400.80x = 884,618,430,088,973.75
  5. Step 5: Solve for x
    x = 884,618,430,088,973.75/42,600,400.80
  6. Step 6: Final answer
    x = 20,765,495.48

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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.