Home / 15,543,885.69-21,449,591.28-8,574,643.89

Finding the Fourth Proportional to 15,543,885.69, 21,449,591.28 and 8,574,643.89

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Solution

The fourth proportional to 15,543,885.69, 21,449,591.28 and 8,574,643.89 is: 11,832,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543,885.69 : 21,449,591.28 = 8,574,643.89 : x
  2. Step 2: Convert to fraction form
    15,543,885.69/21,449,591.28 = 8,574,643.89/x
  3. Step 3: Cross multiply
    15,543,885.69x = 21,449,591.28 × 8,574,643.89
  4. Step 4: Simplify right side
    15,543,885.69x = 183,922,606,812,049.31
  5. Step 5: Solve for x
    x = 183,922,606,812,049.31/15,543,885.69
  6. Step 6: Final answer
    x = 11,832,472.94

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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.