Home / 19,945,862.30-29,918,793.45-17,426,438.30

Finding the Fourth Proportional to 19,945,862.30, 29,918,793.45 and 17,426,438.30

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Solution

The fourth proportional to 19,945,862.30, 29,918,793.45 and 17,426,438.30 is: 26,139,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945,862.30 : 29,918,793.45 = 17,426,438.30 : x
  2. Step 2: Convert to fraction form
    19,945,862.30/29,918,793.45 = 17,426,438.30/x
  3. Step 3: Cross multiply
    19,945,862.30x = 29,918,793.45 × 17,426,438.30
  4. Step 4: Simplify right side
    19,945,862.30x = 521,378,008,066,869.12
  5. Step 5: Solve for x
    x = 521,378,008,066,869.12/19,945,862.30
  6. Step 6: Final answer
    x = 26,139,657.45

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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.