Home / 28,866,985.59-39,836,436.80-17,264,547.21

Finding the Fourth Proportional to 28,866,985.59, 39,836,436.80 and 17,264,547.21

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Solution

The fourth proportional to 28,866,985.59, 39,836,436.80 and 17,264,547.21 is: 23,825,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866,985.59 : 39,836,436.80 = 17,264,547.21 : x
  2. Step 2: Convert to fraction form
    28,866,985.59/39,836,436.80 = 17,264,547.21/x
  3. Step 3: Cross multiply
    28,866,985.59x = 39,836,436.80 × 17,264,547.21
  4. Step 4: Simplify right side
    28,866,985.59x = 687,758,043,526,276.38
  5. Step 5: Solve for x
    x = 687,758,043,526,276.38/28,866,985.59
  6. Step 6: Final answer
    x = 23,825,073.16

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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.