Home / 14,766,688.20-20,378,034.06-8,151,281.16

Finding the Fourth Proportional to 14,766,688.20, 20,378,034.06 and 8,151,281.16

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Solution

The fourth proportional to 14,766,688.20, 20,378,034.06 and 8,151,281.16 is: 11,248,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,688.20 : 20,378,034.06 = 8,151,281.16 : x
  2. Step 2: Convert to fraction form
    14,766,688.20/20,378,034.06 = 8,151,281.16/x
  3. Step 3: Cross multiply
    14,766,688.20x = 20,378,034.06 × 8,151,281.16
  4. Step 4: Simplify right side
    14,766,688.20x = 166,107,085,111,116.31
  5. Step 5: Solve for x
    x = 166,107,085,111,116.31/14,766,688.20
  6. Step 6: Final answer
    x = 11,248,770.40

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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.