Home / 15,731,477.16-21,711,507.67-8,857,298.76

Finding the Fourth Proportional to 15,731,477.16, 21,711,507.67 and 8,857,298.76

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Solution

The fourth proportional to 15,731,477.16, 21,711,507.67 and 8,857,298.76 is: 12,224,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731,477.16 : 21,711,507.67 = 8,857,298.76 : x
  2. Step 2: Convert to fraction form
    15,731,477.16/21,711,507.67 = 8,857,298.76/x
  3. Step 3: Cross multiply
    15,731,477.16x = 21,711,507.67 × 8,857,298.76
  4. Step 4: Simplify right side
    15,731,477.16x = 192,305,309,963,221.50
  5. Step 5: Solve for x
    x = 192,305,309,963,221.50/15,731,477.16
  6. Step 6: Final answer
    x = 12,224,237.31

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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.