Home / 15,915,049.59-21,962,768.67-8,671,705.59

Finding the Fourth Proportional to 15,915,049.59, 21,962,768.67 and 8,671,705.59

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Solution

The fourth proportional to 15,915,049.59, 21,962,768.67 and 8,671,705.59 is: 11,966,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,049.59 : 21,962,768.67 = 8,671,705.59 : x
  2. Step 2: Convert to fraction form
    15,915,049.59/21,962,768.67 = 8,671,705.59/x
  3. Step 3: Cross multiply
    15,915,049.59x = 21,962,768.67 × 8,671,705.59
  4. Step 4: Simplify right side
    15,915,049.59x = 190,454,663,905,491.41
  5. Step 5: Solve for x
    x = 190,454,663,905,491.41/15,915,049.59
  6. Step 6: Final answer
    x = 11,966,953.84

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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.