Home / 27,598,360.74-38,085,989.72-15,208,898.70

Finding the Fourth Proportional to 27,598,360.74, 38,085,989.72 and 15,208,898.70

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Solution

The fourth proportional to 27,598,360.74, 38,085,989.72 and 15,208,898.70 is: 20,988,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598,360.74 : 38,085,989.72 = 15,208,898.70 : x
  2. Step 2: Convert to fraction form
    27,598,360.74/38,085,989.72 = 15,208,898.70/x
  3. Step 3: Cross multiply
    27,598,360.74x = 38,085,989.72 × 15,208,898.70
  4. Step 4: Simplify right side
    27,598,360.74x = 579,245,959,540,721.38
  5. Step 5: Solve for x
    x = 579,245,959,540,721.38/27,598,360.74
  6. Step 6: Final answer
    x = 20,988,419.02

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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.