Home / 14,279,039.30-21,387,066.15-8,589,340.10

Finding the Fourth Proportional to 14,279,039.30, 21,387,066.15 and 8,589,340.10

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Solution

The fourth proportional to 14,279,039.30, 21,387,066.15 and 8,589,340.10 is: 12,865,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,039.30 : 21,387,066.15 = 8,589,340.10 : x
  2. Step 2: Convert to fraction form
    14,279,039.30/21,387,066.15 = 8,589,340.10/x
  3. Step 3: Cross multiply
    14,279,039.30x = 21,387,066.15 × 8,589,340.10
  4. Step 4: Simplify right side
    14,279,039.30x = 183,700,784,903,547.59
  5. Step 5: Solve for x
    x = 183,700,784,903,547.59/14,279,039.30
  6. Step 6: Final answer
    x = 12,865,066.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.