Home / 12,434,386.95-18,642,575.52-5,241,972.78

Finding the Fourth Proportional to 12,434,386.95, 18,642,575.52 and 5,241,972.78

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Solution

The fourth proportional to 12,434,386.95, 18,642,575.52 and 5,241,972.78 is: 7,859,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,386.95 : 18,642,575.52 = 5,241,972.78 : x
  2. Step 2: Convert to fraction form
    12,434,386.95/18,642,575.52 = 5,241,972.78/x
  3. Step 3: Cross multiply
    12,434,386.95x = 18,642,575.52 × 5,241,972.78
  4. Step 4: Simplify right side
    12,434,386.95x = 97,723,873,424,934.34
  5. Step 5: Solve for x
    x = 97,723,873,424,934.34/12,434,386.95
  6. Step 6: Final answer
    x = 7,859,162.97

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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.