Home / 12,266,781.58-16,928,225.17-7,039,373.51

Finding the Fourth Proportional to 12,266,781.58, 16,928,225.17 and 7,039,373.51

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Solution

The fourth proportional to 12,266,781.58, 16,928,225.17 and 7,039,373.51 is: 9,714,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,781.58 : 16,928,225.17 = 7,039,373.51 : x
  2. Step 2: Convert to fraction form
    12,266,781.58/16,928,225.17 = 7,039,373.51/x
  3. Step 3: Cross multiply
    12,266,781.58x = 16,928,225.17 × 7,039,373.51
  4. Step 4: Simplify right side
    12,266,781.58x = 119,164,099,857,735.38
  5. Step 5: Solve for x
    x = 119,164,099,857,735.38/12,266,781.58
  6. Step 6: Final answer
    x = 9,714,373.66

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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.