Home / 15,896,508.75-21,935,931.39-9,020,990.79

Finding the Fourth Proportional to 15,896,508.75, 21,935,931.39 and 9,020,990.79

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Solution

The fourth proportional to 15,896,508.75, 21,935,931.39 and 9,020,990.79 is: 12,448,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,508.75 : 21,935,931.39 = 9,020,990.79 : x
  2. Step 2: Convert to fraction form
    15,896,508.75/21,935,931.39 = 9,020,990.79/x
  3. Step 3: Cross multiply
    15,896,508.75x = 21,935,931.39 × 9,020,990.79
  4. Step 4: Simplify right side
    15,896,508.75x = 197,883,835,039,261.88
  5. Step 5: Solve for x
    x = 197,883,835,039,261.88/15,896,508.75
  6. Step 6: Final answer
    x = 12,448,257.55

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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.