Home / 21,287,549.01-29,389,578.75-13,958,167.95

Finding the Fourth Proportional to 21,287,549.01, 29,389,578.75 and 13,958,167.95

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Solution

The fourth proportional to 21,287,549.01, 29,389,578.75 and 13,958,167.95 is: 19,270,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,287,549.01 : 29,389,578.75 = 13,958,167.95 : x
  2. Step 2: Convert to fraction form
    21,287,549.01/29,389,578.75 = 13,958,167.95/x
  3. Step 3: Cross multiply
    21,287,549.01x = 29,389,578.75 × 13,958,167.95
  4. Step 4: Simplify right side
    21,287,549.01x = 410,224,676,282,461.94
  5. Step 5: Solve for x
    x = 410,224,676,282,461.94/21,287,549.01
  6. Step 6: Final answer
    x = 19,270,639.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.