Home / 10,664,602.80-15,996,904.20-6,838,227.60

Finding the Fourth Proportional to 10,664,602.80, 15,996,904.20 and 6,838,227.60

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Solution

The fourth proportional to 10,664,602.80, 15,996,904.20 and 6,838,227.60 is: 10,257,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664,602.80 : 15,996,904.20 = 6,838,227.60 : x
  2. Step 2: Convert to fraction form
    10,664,602.80/15,996,904.20 = 6,838,227.60/x
  3. Step 3: Cross multiply
    10,664,602.80x = 15,996,904.20 × 6,838,227.60
  4. Step 4: Simplify right side
    10,664,602.80x = 109,390,471,814,995.91
  5. Step 5: Solve for x
    x = 109,390,471,814,995.91/10,664,602.80
  6. Step 6: Final answer
    x = 10,257,341.40

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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.