Home / 10,146,380.80-13,994,587.20-6,477,819.52

Finding the Fourth Proportional to 10,146,380.80, 13,994,587.20 and 6,477,819.52

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Solution

The fourth proportional to 10,146,380.80, 13,994,587.20 and 6,477,819.52 is: 8,934,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146,380.80 : 13,994,587.20 = 6,477,819.52 : x
  2. Step 2: Convert to fraction form
    10,146,380.80/13,994,587.20 = 6,477,819.52/x
  3. Step 3: Cross multiply
    10,146,380.80x = 13,994,587.20 × 6,477,819.52
  4. Step 4: Simplify right side
    10,146,380.80x = 90,654,410,138,502.14
  5. Step 5: Solve for x
    x = 90,654,410,138,502.14/10,146,380.80
  6. Step 6: Final answer
    x = 8,934,654.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.