Home / 15,585,943.45-21,509,266.22-8,710,425.31

Finding the Fourth Proportional to 15,585,943.45, 21,509,266.22 and 8,710,425.31

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Solution

The fourth proportional to 15,585,943.45, 21,509,266.22 and 8,710,425.31 is: 12,020,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,943.45 : 21,509,266.22 = 8,710,425.31 : x
  2. Step 2: Convert to fraction form
    15,585,943.45/21,509,266.22 = 8,710,425.31/x
  3. Step 3: Cross multiply
    15,585,943.45x = 21,509,266.22 × 8,710,425.31
  4. Step 4: Simplify right side
    15,585,943.45x = 187,354,856,882,216.03
  5. Step 5: Solve for x
    x = 187,354,856,882,216.03/15,585,943.45
  6. Step 6: Final answer
    x = 12,020,758.16

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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.