Home / 19,420,515.90-29,105,890.65-17,280,560.70

Finding the Fourth Proportional to 19,420,515.90, 29,105,890.65 and 17,280,560.70

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Solution

The fourth proportional to 19,420,515.90, 29,105,890.65 and 17,280,560.70 is: 25,898,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420,515.90 : 29,105,890.65 = 17,280,560.70 : x
  2. Step 2: Convert to fraction form
    19,420,515.90/29,105,890.65 = 17,280,560.70/x
  3. Step 3: Cross multiply
    19,420,515.90x = 29,105,890.65 × 17,280,560.70
  4. Step 4: Simplify right side
    19,420,515.90x = 502,966,110,104,887.44
  5. Step 5: Solve for x
    x = 502,966,110,104,887.44/19,420,515.90
  6. Step 6: Final answer
    x = 25,898,699.74

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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.