Home / 21,365,472.47-32,048,248.79-5,191,437.42

Finding the Fourth Proportional to 21,365,472.47, 32,048,248.79 and 5,191,437.42

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Solution

The fourth proportional to 21,365,472.47, 32,048,248.79 and 5,191,437.42 is: 7,787,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365,472.47 : 32,048,248.79 = 5,191,437.42 : x
  2. Step 2: Convert to fraction form
    21,365,472.47/32,048,248.79 = 5,191,437.42/x
  3. Step 3: Cross multiply
    21,365,472.47x = 32,048,248.79 × 5,191,437.42
  4. Step 4: Simplify right side
    21,365,472.47x = 166,376,478,026,854.31
  5. Step 5: Solve for x
    x = 166,376,478,026,854.31/21,365,472.47
  6. Step 6: Final answer
    x = 7,787,165.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.