Home / 10,778,410.80-16,167,616.20-6,516,385.20

Finding the Fourth Proportional to 10,778,410.80, 16,167,616.20 and 6,516,385.20

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Solution

The fourth proportional to 10,778,410.80, 16,167,616.20 and 6,516,385.20 is: 9,774,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,410.80 : 16,167,616.20 = 6,516,385.20 : x
  2. Step 2: Convert to fraction form
    10,778,410.80/16,167,616.20 = 6,516,385.20/x
  3. Step 3: Cross multiply
    10,778,410.80x = 16,167,616.20 × 6,516,385.20
  4. Step 4: Simplify right side
    10,778,410.80x = 105,354,414,924,960.23
  5. Step 5: Solve for x
    x = 105,354,414,924,960.23/10,778,410.80
  6. Step 6: Final answer
    x = 9,774,577.80

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1.5x scale

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.