Home / 14,962,971.92-20,648,904.36-8,087,432.72

Finding the Fourth Proportional to 14,962,971.92, 20,648,904.36 and 8,087,432.72

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Solution

The fourth proportional to 14,962,971.92, 20,648,904.36 and 8,087,432.72 is: 11,160,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962,971.92 : 20,648,904.36 = 8,087,432.72 : x
  2. Step 2: Convert to fraction form
    14,962,971.92/20,648,904.36 = 8,087,432.72/x
  3. Step 3: Cross multiply
    14,962,971.92x = 20,648,904.36 × 8,087,432.72
  4. Step 4: Simplify right side
    14,962,971.92x = 166,996,624,753,214.66
  5. Step 5: Solve for x
    x = 166,996,624,753,214.66/14,962,971.92
  6. Step 6: Final answer
    x = 11,160,658.83

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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.