Home / 15,304,427.15-21,119,428.28-8,773,374.47

Finding the Fourth Proportional to 15,304,427.15, 21,119,428.28 and 8,773,374.47

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Solution

The fourth proportional to 15,304,427.15, 21,119,428.28 and 8,773,374.47 is: 12,106,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,427.15 : 21,119,428.28 = 8,773,374.47 : x
  2. Step 2: Convert to fraction form
    15,304,427.15/21,119,428.28 = 8,773,374.47/x
  3. Step 3: Cross multiply
    15,304,427.15x = 21,119,428.28 × 8,773,374.47
  4. Step 4: Simplify right side
    15,304,427.15x = 185,288,652,809,084.28
  5. Step 5: Solve for x
    x = 185,288,652,809,084.28/15,304,427.15
  6. Step 6: Final answer
    x = 12,106,866.27

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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.