Home / 21,852,123.90-30,155,764.35-12,062,575.47

Finding the Fourth Proportional to 21,852,123.90, 30,155,764.35 and 12,062,575.47

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Solution

The fourth proportional to 21,852,123.90, 30,155,764.35 and 12,062,575.47 is: 16,646,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,123.90 : 30,155,764.35 = 12,062,575.47 : x
  2. Step 2: Convert to fraction form
    21,852,123.90/30,155,764.35 = 12,062,575.47/x
  3. Step 3: Cross multiply
    21,852,123.90x = 30,155,764.35 × 12,062,575.47
  4. Step 4: Simplify right side
    21,852,123.90x = 363,756,183,327,410.56
  5. Step 5: Solve for x
    x = 363,756,183,327,410.56/21,852,123.90
  6. Step 6: Final answer
    x = 16,646,262.17

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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.