Home / 19,626,428.20-29,383,655.10-17,386,940.20

Finding the Fourth Proportional to 19,626,428.20, 29,383,655.10 and 17,386,940.20

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Solution

The fourth proportional to 19,626,428.20, 29,383,655.10 and 17,386,940.20 is: 26,030,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626,428.20 : 29,383,655.10 = 17,386,940.20 : x
  2. Step 2: Convert to fraction form
    19,626,428.20/29,383,655.10 = 17,386,940.20/x
  3. Step 3: Cross multiply
    19,626,428.20x = 29,383,655.10 × 17,386,940.20
  4. Step 4: Simplify right side
    19,626,428.20x = 510,891,854,081,125
  5. Step 5: Solve for x
    x = 510,891,854,081,125/19,626,428.20
  6. Step 6: Final answer
    x = 26,030,811.56

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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.