Home / 9,700,971.20-14,530,461.60-5,207,998.40

Finding the Fourth Proportional to 9,700,971.20, 14,530,461.60 and 5,207,998.40

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Solution

The fourth proportional to 9,700,971.20, 14,530,461.60 and 5,207,998.40 is: 7,800,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700,971.20 : 14,530,461.60 = 5,207,998.40 : x
  2. Step 2: Convert to fraction form
    9,700,971.20/14,530,461.60 = 5,207,998.40/x
  3. Step 3: Cross multiply
    9,700,971.20x = 14,530,461.60 × 5,207,998.40
  4. Step 4: Simplify right side
    9,700,971.20x = 75,674,620,764,061.44
  5. Step 5: Solve for x
    x = 75,674,620,764,061.44/9,700,971.20
  6. Step 6: Final answer
    x = 7,800,726.26

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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.