Home / 42,160,800.60-63,241,200.90-11,868,663.60

Finding the Fourth Proportional to 42,160,800.60, 63,241,200.90 and 11,868,663.60

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Solution

The fourth proportional to 42,160,800.60, 63,241,200.90 and 11,868,663.60 is: 17,802,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160,800.60 : 63,241,200.90 = 11,868,663.60 : x
  2. Step 2: Convert to fraction form
    42,160,800.60/63,241,200.90 = 11,868,663.60/x
  3. Step 3: Cross multiply
    42,160,800.60x = 63,241,200.90 × 11,868,663.60
  4. Step 4: Simplify right side
    42,160,800.60x = 750,588,539,142,117.25
  5. Step 5: Solve for x
    x = 750,588,539,142,117.25/42,160,800.60
  6. Step 6: Final answer
    x = 17,802,995.40

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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.