Home / 15,436,743.36-21,304,014.16-8,563,439.76

Finding the Fourth Proportional to 15,436,743.36, 21,304,014.16 and 8,563,439.76

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Solution

The fourth proportional to 15,436,743.36, 21,304,014.16 and 8,563,439.76 is: 11,818,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436,743.36 : 21,304,014.16 = 8,563,439.76 : x
  2. Step 2: Convert to fraction form
    15,436,743.36/21,304,014.16 = 8,563,439.76/x
  3. Step 3: Cross multiply
    15,436,743.36x = 21,304,014.16 × 8,563,439.76
  4. Step 4: Simplify right side
    15,436,743.36x = 182,435,641,905,347
  5. Step 5: Solve for x
    x = 182,435,641,905,347/15,436,743.36
  6. Step 6: Final answer
    x = 11,818,272.65

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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.