Home / 15,264,934.14-21,066,114.15-8,389,659.90

Finding the Fourth Proportional to 15,264,934.14, 21,066,114.15 and 8,389,659.90

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Solution

The fourth proportional to 15,264,934.14, 21,066,114.15 and 8,389,659.90 is: 11,578,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264,934.14 : 21,066,114.15 = 8,389,659.90 : x
  2. Step 2: Convert to fraction form
    15,264,934.14/21,066,114.15 = 8,389,659.90/x
  3. Step 3: Cross multiply
    15,264,934.14x = 21,066,114.15 × 8,389,659.90
  4. Step 4: Simplify right side
    15,264,934.14x = 176,737,533,133,077.59
  5. Step 5: Solve for x
    x = 176,737,533,133,077.59/15,264,934.14
  6. Step 6: Final answer
    x = 11,578,008.23

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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.