Home / 10,859,167.20-16,288,750.80-4,465,221.60

Finding the Fourth Proportional to 10,859,167.20, 16,288,750.80 and 4,465,221.60

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Solution

The fourth proportional to 10,859,167.20, 16,288,750.80 and 4,465,221.60 is: 6,697,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859,167.20 : 16,288,750.80 = 4,465,221.60 : x
  2. Step 2: Convert to fraction form
    10,859,167.20/16,288,750.80 = 4,465,221.60/x
  3. Step 3: Cross multiply
    10,859,167.20x = 16,288,750.80 × 4,465,221.60
  4. Step 4: Simplify right side
    10,859,167.20x = 72,732,881,909,177.28
  5. Step 5: Solve for x
    x = 72,732,881,909,177.28/10,859,167.20
  6. Step 6: Final answer
    x = 6,697,832.40

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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.