Home / 15,601,931.17-21,531,299.56-8,632,495.35

Finding the Fourth Proportional to 15,601,931.17, 21,531,299.56 and 8,632,495.35

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Solution

The fourth proportional to 15,601,931.17, 21,531,299.56 and 8,632,495.35 is: 11,913,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601,931.17 : 21,531,299.56 = 8,632,495.35 : x
  2. Step 2: Convert to fraction form
    15,601,931.17/21,531,299.56 = 8,632,495.35/x
  3. Step 3: Cross multiply
    15,601,931.17x = 21,531,299.56 × 8,632,495.35
  4. Step 4: Simplify right side
    15,601,931.17x = 185,868,843,309,575.81
  5. Step 5: Solve for x
    x = 185,868,843,309,575.81/15,601,931.17
  6. Step 6: Final answer
    x = 11,913,194.68

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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.