Home / 47,157,419.76-70,736,126.40-13,078,764.96

Finding the Fourth Proportional to 47,157,419.76, 70,736,126.40 and 13,078,764.96

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Solution

The fourth proportional to 47,157,419.76, 70,736,126.40 and 13,078,764.96 is: 19,618,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157,419.76 : 70,736,126.40 = 13,078,764.96 : x
  2. Step 2: Convert to fraction form
    47,157,419.76/70,736,126.40 = 13,078,764.96/x
  3. Step 3: Cross multiply
    47,157,419.76x = 70,736,126.40 × 13,078,764.96
  4. Step 4: Simplify right side
    47,157,419.76x = 925,141,171,366,451.12
  5. Step 5: Solve for x
    x = 925,141,171,366,451.12/47,157,419.76
  6. Step 6: Final answer
    x = 19,618,146.54

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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.