Home / 38,136,000.60-57,187,412.10-12,567,130.20

Finding the Fourth Proportional to 38,136,000.60, 57,187,412.10 and 12,567,130.20

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Solution

The fourth proportional to 38,136,000.60, 57,187,412.10 and 12,567,130.20 is: 18,845,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136,000.60 : 57,187,412.10 = 12,567,130.20 : x
  2. Step 2: Convert to fraction form
    38,136,000.60/57,187,412.10 = 12,567,130.20/x
  3. Step 3: Cross multiply
    38,136,000.60x = 57,187,412.10 × 12,567,130.20
  4. Step 4: Simplify right side
    38,136,000.60x = 718,681,653,661,755.38
  5. Step 5: Solve for x
    x = 718,681,653,661,755.38/38,136,000.60
  6. Step 6: Final answer
    x = 18,845,228.72

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1.5x scale

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.