Home / 15,756,267.56-21,743,606.25-8,786,952.68

Finding the Fourth Proportional to 15,756,267.56, 21,743,606.25 and 8,786,952.68

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Solution

The fourth proportional to 15,756,267.56, 21,743,606.25 and 8,786,952.68 is: 12,125,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,267.56 : 21,743,606.25 = 8,786,952.68 : x
  2. Step 2: Convert to fraction form
    15,756,267.56/21,743,606.25 = 8,786,952.68/x
  3. Step 3: Cross multiply
    15,756,267.56x = 21,743,606.25 × 8,786,952.68
  4. Step 4: Simplify right side
    15,756,267.56x = 191,060,039,102,584.25
  5. Step 5: Solve for x
    x = 191,060,039,102,584.25/15,756,267.56
  6. Step 6: Final answer
    x = 12,125,970.72

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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.