Home / 12,272,931.52-16,936,664.16-6,840,306.88

Finding the Fourth Proportional to 12,272,931.52, 16,936,664.16 and 6,840,306.88

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Solution

The fourth proportional to 12,272,931.52, 16,936,664.16 and 6,840,306.88 is: 9,439,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,931.52 : 16,936,664.16 = 6,840,306.88 : x
  2. Step 2: Convert to fraction form
    12,272,931.52/16,936,664.16 = 6,840,306.88/x
  3. Step 3: Cross multiply
    12,272,931.52x = 16,936,664.16 × 6,840,306.88
  4. Step 4: Simplify right side
    12,272,931.52x = 115,851,980,377,897.42
  5. Step 5: Solve for x
    x = 115,851,980,377,897.42/12,272,931.52
  6. Step 6: Final answer
    x = 9,439,633.90

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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.