Home / 28,866,986.09-39,836,437.48-17,264,547.71

Finding the Fourth Proportional to 28,866,986.09, 39,836,437.48 and 17,264,547.71

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Solution

The fourth proportional to 28,866,986.09, 39,836,437.48 and 17,264,547.71 is: 23,825,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866,986.09 : 39,836,437.48 = 17,264,547.71 : x
  2. Step 2: Convert to fraction form
    28,866,986.09/39,836,437.48 = 17,264,547.71/x
  3. Step 3: Cross multiply
    28,866,986.09x = 39,836,437.48 × 17,264,547.71
  4. Step 4: Simplify right side
    28,866,986.09x = 687,758,075,469,892.12
  5. Step 5: Solve for x
    x = 687,758,075,469,892.12/28,866,986.09
  6. Step 6: Final answer
    x = 23,825,073.85

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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.