Home / 22,285,271.28-30,725,396.41-15,927,713.70

Finding the Fourth Proportional to 22,285,271.28, 30,725,396.41 and 15,927,713.70

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Solution

The fourth proportional to 22,285,271.28, 30,725,396.41 and 15,927,713.70 is: 21,960,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285,271.28 : 30,725,396.41 = 15,927,713.70 : x
  2. Step 2: Convert to fraction form
    22,285,271.28/30,725,396.41 = 15,927,713.70/x
  3. Step 3: Cross multiply
    22,285,271.28x = 30,725,396.41 × 15,927,713.70
  4. Step 4: Simplify right side
    22,285,271.28x = 489,385,317,385,127.12
  5. Step 5: Solve for x
    x = 489,385,317,385,127.12/22,285,271.28
  6. Step 6: Final answer
    x = 21,960,034.10

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1.5x scale

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.