Home / 14,989,128.50-20,687,799.57-8,550,600.50

Finding the Fourth Proportional to 14,989,128.50, 20,687,799.57 and 8,550,600.50

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Solution

The fourth proportional to 14,989,128.50, 20,687,799.57 and 8,550,600.50 is: 11,801,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989,128.50 : 20,687,799.57 = 8,550,600.50 : x
  2. Step 2: Convert to fraction form
    14,989,128.50/20,687,799.57 = 8,550,600.50/x
  3. Step 3: Cross multiply
    14,989,128.50x = 20,687,799.57 × 8,550,600.50
  4. Step 4: Simplify right side
    14,989,128.50x = 176,893,109,347,141.78
  5. Step 5: Solve for x
    x = 176,893,109,347,141.78/14,989,128.50
  6. Step 6: Final answer
    x = 11,801,427.24

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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.