Home / 14,990,732.46-20,687,277.87-8,115,214.50

Finding the Fourth Proportional to 14,990,732.46, 20,687,277.87 and 8,115,214.50

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Solution

The fourth proportional to 14,990,732.46, 20,687,277.87 and 8,115,214.50 is: 11,199,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,732.46 : 20,687,277.87 = 8,115,214.50 : x
  2. Step 2: Convert to fraction form
    14,990,732.46/20,687,277.87 = 8,115,214.50/x
  3. Step 3: Cross multiply
    14,990,732.46x = 20,687,277.87 × 8,115,214.50
  4. Step 4: Simplify right side
    14,990,732.46x = 167,881,697,336,153.12
  5. Step 5: Solve for x
    x = 167,881,697,336,153.12/14,990,732.46
  6. Step 6: Final answer
    x = 11,199,032.32

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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.