Home / 20,183,549.80-30,254,657.55-9,932,643.40

Finding the Fourth Proportional to 20,183,549.80, 30,254,657.55 and 9,932,643.40

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Solution

The fourth proportional to 20,183,549.80, 30,254,657.55 and 9,932,643.40 is: 14,888,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,549.80 : 30,254,657.55 = 9,932,643.40 : x
  2. Step 2: Convert to fraction form
    20,183,549.80/30,254,657.55 = 9,932,643.40/x
  3. Step 3: Cross multiply
    20,183,549.80x = 30,254,657.55 × 9,932,643.40
  4. Step 4: Simplify right side
    20,183,549.80x = 300,508,724,633,267.69
  5. Step 5: Solve for x
    x = 300,508,724,633,267.69/20,183,549.80
  6. Step 6: Final answer
    x = 14,888,794.47

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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.