Home / 15,480,061.63-21,344,934.10-9,890,924.04

Finding the Fourth Proportional to 15,480,061.63, 21,344,934.10 and 9,890,924.04

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Solution

The fourth proportional to 15,480,061.63, 21,344,934.10 and 9,890,924.04 is: 13,638,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480,061.63 : 21,344,934.10 = 9,890,924.04 : x
  2. Step 2: Convert to fraction form
    15,480,061.63/21,344,934.10 = 9,890,924.04/x
  3. Step 3: Cross multiply
    15,480,061.63x = 21,344,934.10 × 9,890,924.04
  4. Step 4: Simplify right side
    15,480,061.63x = 211,121,121,772,451.12
  5. Step 5: Solve for x
    x = 211,121,121,772,451.12/15,480,061.63
  6. Step 6: Final answer
    x = 13,638,261.07

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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.