Home / 15,585,946.20-21,509,270.01-8,710,428.06

Finding the Fourth Proportional to 15,585,946.20, 21,509,270.01 and 8,710,428.06

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Solution

The fourth proportional to 15,585,946.20, 21,509,270.01 and 8,710,428.06 is: 12,020,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,946.20 : 21,509,270.01 = 8,710,428.06 : x
  2. Step 2: Convert to fraction form
    15,585,946.20/21,509,270.01 = 8,710,428.06/x
  3. Step 3: Cross multiply
    15,585,946.20x = 21,509,270.01 × 8,710,428.06
  4. Step 4: Simplify right side
    15,585,946.20x = 187,354,949,045,220.50
  5. Step 5: Solve for x
    x = 187,354,949,045,220.50/15,585,946.20
  6. Step 6: Final answer
    x = 12,020,761.95

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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.