Home / 51,906,859.20-77,860,288.80-13,572,248.40

Finding the Fourth Proportional to 51,906,859.20, 77,860,288.80 and 13,572,248.40

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Solution

The fourth proportional to 51,906,859.20, 77,860,288.80 and 13,572,248.40 is: 20,358,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,906,859.20 : 77,860,288.80 = 13,572,248.40 : x
  2. Step 2: Convert to fraction form
    51,906,859.20/77,860,288.80 = 13,572,248.40/x
  3. Step 3: Cross multiply
    51,906,859.20x = 77,860,288.80 × 13,572,248.40
  4. Step 4: Simplify right side
    51,906,859.20x = 1,056,739,180,089,337.88
  5. Step 5: Solve for x
    x = 1,056,739,180,089,337.88/51,906,859.20
  6. Step 6: Final answer
    x = 20,358,372.60

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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.