Home / 15,856,728.40-21,882,295.56-8,613,384.40

Finding the Fourth Proportional to 15,856,728.40, 21,882,295.56 and 8,613,384.40

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Solution

The fourth proportional to 15,856,728.40, 21,882,295.56 and 8,613,384.40 is: 11,886,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,728.40 : 21,882,295.56 = 8,613,384.40 : x
  2. Step 2: Convert to fraction form
    15,856,728.40/21,882,295.56 = 8,613,384.40/x
  3. Step 3: Cross multiply
    15,856,728.40x = 21,882,295.56 × 8,613,384.40
  4. Step 4: Simplify right side
    15,856,728.40x = 188,480,623,212,693.25
  5. Step 5: Solve for x
    x = 188,480,623,212,693.25/15,856,728.40
  6. Step 6: Final answer
    x = 11,886,476.10

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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.