Home / 15,513,008.65-21,407,261.07-8,892,851.13

Finding the Fourth Proportional to 15,513,008.65, 21,407,261.07 and 8,892,851.13

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Solution

The fourth proportional to 15,513,008.65, 21,407,261.07 and 8,892,851.13 is: 12,271,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,008.65 : 21,407,261.07 = 8,892,851.13 : x
  2. Step 2: Convert to fraction form
    15,513,008.65/21,407,261.07 = 8,892,851.13/x
  3. Step 3: Cross multiply
    15,513,008.65x = 21,407,261.07 × 8,892,851.13
  4. Step 4: Simplify right side
    15,513,008.65x = 190,371,585,796,554.53
  5. Step 5: Solve for x
    x = 190,371,585,796,554.53/15,513,008.65
  6. Step 6: Final answer
    x = 12,271,738.52

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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.