Home / 19,690,010.70-29,535,016.05-16,997,376.30

Finding the Fourth Proportional to 19,690,010.70, 29,535,016.05 and 16,997,376.30

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Solution

The fourth proportional to 19,690,010.70, 29,535,016.05 and 16,997,376.30 is: 25,496,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690,010.70 : 29,535,016.05 = 16,997,376.30 : x
  2. Step 2: Convert to fraction form
    19,690,010.70/29,535,016.05 = 16,997,376.30/x
  3. Step 3: Cross multiply
    19,690,010.70x = 29,535,016.05 × 16,997,376.30
  4. Step 4: Simplify right side
    19,690,010.70x = 502,017,781,828,389.62
  5. Step 5: Solve for x
    x = 502,017,781,828,389.62/19,690,010.70
  6. Step 6: Final answer
    x = 25,496,064.45

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Similar ratio
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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.