Home / 19,756,816.92-29,635,225.38-13,023,656.28

Finding the Fourth Proportional to 19,756,816.92, 29,635,225.38 and 13,023,656.28

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Solution

The fourth proportional to 19,756,816.92, 29,635,225.38 and 13,023,656.28 is: 19,535,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756,816.92 : 29,635,225.38 = 13,023,656.28 : x
  2. Step 2: Convert to fraction form
    19,756,816.92/29,635,225.38 = 13,023,656.28/x
  3. Step 3: Cross multiply
    19,756,816.92x = 29,635,225.38 × 13,023,656.28
  4. Step 4: Simplify right side
    19,756,816.92x = 385,958,989,129,452.38
  5. Step 5: Solve for x
    x = 385,958,989,129,452.38/19,756,816.92
  6. Step 6: Final answer
    x = 19,535,484.42

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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.