Home / 15,423,665.26-21,283,838.76-8,896,906.42

Finding the Fourth Proportional to 15,423,665.26, 21,283,838.76 and 8,896,906.42

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Solution

The fourth proportional to 15,423,665.26, 21,283,838.76 and 8,896,906.42 is: 12,277,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,665.26 : 21,283,838.76 = 8,896,906.42 : x
  2. Step 2: Convert to fraction form
    15,423,665.26/21,283,838.76 = 8,896,906.42/x
  3. Step 3: Cross multiply
    15,423,665.26x = 21,283,838.76 × 8,896,906.42
  4. Step 4: Simplify right side
    15,423,665.26x = 189,360,321,706,088.84
  5. Step 5: Solve for x
    x = 189,360,321,706,088.84/15,423,665.26
  6. Step 6: Final answer
    x = 12,277,258.26

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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.