Home / 20,211,528.24-30,306,220.56-9,953,831.16

Finding the Fourth Proportional to 20,211,528.24, 30,306,220.56 and 9,953,831.16

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Solution

The fourth proportional to 20,211,528.24, 30,306,220.56 and 9,953,831.16 is: 14,925,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,528.24 : 30,306,220.56 = 9,953,831.16 : x
  2. Step 2: Convert to fraction form
    20,211,528.24/30,306,220.56 = 9,953,831.16/x
  3. Step 3: Cross multiply
    20,211,528.24x = 30,306,220.56 × 9,953,831.16
  4. Step 4: Simplify right side
    20,211,528.24x = 301,663,002,551,960.62
  5. Step 5: Solve for x
    x = 301,663,002,551,960.62/20,211,528.24
  6. Step 6: Final answer
    x = 14,925,294.07

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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.