Home / 15,856,749.54-21,881,729.61-8,613,250.02

Finding the Fourth Proportional to 15,856,749.54, 21,881,729.61 and 8,613,250.02

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Solution

The fourth proportional to 15,856,749.54, 21,881,729.61 and 8,613,250.02 is: 11,885,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,749.54 : 21,881,729.61 = 8,613,250.02 : x
  2. Step 2: Convert to fraction form
    15,856,749.54/21,881,729.61 = 8,613,250.02/x
  3. Step 3: Cross multiply
    15,856,749.54x = 21,881,729.61 × 8,613,250.02
  4. Step 4: Simplify right side
    15,856,749.54x = 188,472,808,000,967.06
  5. Step 5: Solve for x
    x = 188,472,808,000,967.06/15,856,749.54
  6. Step 6: Final answer
    x = 11,885,967.39

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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.