Home / 15,487,595.69-21,372,899.76-8,611,930.13

Finding the Fourth Proportional to 15,487,595.69, 21,372,899.76 and 8,611,930.13

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Solution

The fourth proportional to 15,487,595.69, 21,372,899.76 and 8,611,930.13 is: 11,884,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,595.69 : 21,372,899.76 = 8,611,930.13 : x
  2. Step 2: Convert to fraction form
    15,487,595.69/21,372,899.76 = 8,611,930.13/x
  3. Step 3: Cross multiply
    15,487,595.69x = 21,372,899.76 × 8,611,930.13
  4. Step 4: Simplify right side
    15,487,595.69x = 184,061,919,301,749.28
  5. Step 5: Solve for x
    x = 184,061,919,301,749.28/15,487,595.69
  6. Step 6: Final answer
    x = 11,884,473.42

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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.