Home / 15,411,017.68-21,264,705.30-9,218,623.16

Finding the Fourth Proportional to 15,411,017.68, 21,264,705.30 and 9,218,623.16

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Solution

The fourth proportional to 15,411,017.68, 21,264,705.30 and 9,218,623.16 is: 12,720,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,017.68 : 21,264,705.30 = 9,218,623.16 : x
  2. Step 2: Convert to fraction form
    15,411,017.68/21,264,705.30 = 9,218,623.16/x
  3. Step 3: Cross multiply
    15,411,017.68x = 21,264,705.30 × 9,218,623.16
  4. Step 4: Simplify right side
    15,411,017.68x = 196,031,304,787,746.69
  5. Step 5: Solve for x
    x = 196,031,304,787,746.69/15,411,017.68
  6. Step 6: Final answer
    x = 12,720,205.04

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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.