Home / 10,260,989.60-15,381,332.40-4,860,147.20

Finding the Fourth Proportional to 10,260,989.60, 15,381,332.40 and 4,860,147.20

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Solution

The fourth proportional to 10,260,989.60, 15,381,332.40 and 4,860,147.20 is: 7,285,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260,989.60 : 15,381,332.40 = 4,860,147.20 : x
  2. Step 2: Convert to fraction form
    10,260,989.60/15,381,332.40 = 4,860,147.20/x
  3. Step 3: Cross multiply
    10,260,989.60x = 15,381,332.40 × 4,860,147.20
  4. Step 4: Simplify right side
    10,260,989.60x = 74,755,539,596,129.28
  5. Step 5: Solve for x
    x = 74,755,539,596,129.28/10,260,989.60
  6. Step 6: Final answer
    x = 7,285,412.28

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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.