Home / 13,572,132.62-18,722,068.72-8,601,480.14

Finding the Fourth Proportional to 13,572,132.62, 18,722,068.72 and 8,601,480.14

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Solution

The fourth proportional to 13,572,132.62, 18,722,068.72 and 8,601,480.14 is: 11,865,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,132.62 : 18,722,068.72 = 8,601,480.14 : x
  2. Step 2: Convert to fraction form
    13,572,132.62/18,722,068.72 = 8,601,480.14/x
  3. Step 3: Cross multiply
    13,572,132.62x = 18,722,068.72 × 8,601,480.14
  4. Step 4: Simplify right side
    13,572,132.62x = 161,037,502,159,681.19
  5. Step 5: Solve for x
    x = 161,037,502,159,681.19/13,572,132.62
  6. Step 6: Final answer
    x = 11,865,305.68

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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.