Home / 14,278,827.80-21,386,748.90-8,589,128.60

Finding the Fourth Proportional to 14,278,827.80, 21,386,748.90 and 8,589,128.60

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Solution

The fourth proportional to 14,278,827.80, 21,386,748.90 and 8,589,128.60 is: 12,864,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,827.80 : 21,386,748.90 = 8,589,128.60 : x
  2. Step 2: Convert to fraction form
    14,278,827.80/21,386,748.90 = 8,589,128.60/x
  3. Step 3: Cross multiply
    14,278,827.80x = 21,386,748.90 × 8,589,128.60
  4. Step 4: Simplify right side
    14,278,827.80x = 183,693,536,638,008.53
  5. Step 5: Solve for x
    x = 183,693,536,638,008.53/14,278,827.80
  6. Step 6: Final answer
    x = 12,864,749.07

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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.