Home / 9,172,909.60-12,658,756.80-5,043,119.52

Finding the Fourth Proportional to 9,172,909.60, 12,658,756.80 and 5,043,119.52

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Solution

The fourth proportional to 9,172,909.60, 12,658,756.80 and 5,043,119.52 is: 6,959,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,909.60 : 12,658,756.80 = 5,043,119.52 : x
  2. Step 2: Convert to fraction form
    9,172,909.60/12,658,756.80 = 5,043,119.52/x
  3. Step 3: Cross multiply
    9,172,909.60x = 12,658,756.80 × 5,043,119.52
  4. Step 4: Simplify right side
    9,172,909.60x = 63,839,623,517,012.73
  5. Step 5: Solve for x
    x = 63,839,623,517,012.73/9,172,909.60
  6. Step 6: Final answer
    x = 6,959,582.76

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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.