Home / 20,510,318.34-28,301,095.17-11,806,809.18

Finding the Fourth Proportional to 20,510,318.34, 28,301,095.17 and 11,806,809.18

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Solution

The fourth proportional to 20,510,318.34, 28,301,095.17 and 11,806,809.18 is: 16,291,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,318.34 : 28,301,095.17 = 11,806,809.18 : x
  2. Step 2: Convert to fraction form
    20,510,318.34/28,301,095.17 = 11,806,809.18/x
  3. Step 3: Cross multiply
    20,510,318.34x = 28,301,095.17 × 11,806,809.18
  4. Step 4: Simplify right side
    20,510,318.34x = 334,145,630,257,209.69
  5. Step 5: Solve for x
    x = 334,145,630,257,209.69/20,510,318.34
  6. Step 6: Final answer
    x = 16,291,586.74

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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.