Home / 13,726,962.12-18,944,887.56-7,925,734.10

Finding the Fourth Proportional to 13,726,962.12, 18,944,887.56 and 7,925,734.10

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Solution

The fourth proportional to 13,726,962.12, 18,944,887.56 and 7,925,734.10 is: 10,938,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,962.12 : 18,944,887.56 = 7,925,734.10 : x
  2. Step 2: Convert to fraction form
    13,726,962.12/18,944,887.56 = 7,925,734.10/x
  3. Step 3: Cross multiply
    13,726,962.12x = 18,944,887.56 × 7,925,734.10
  4. Step 4: Simplify right side
    13,726,962.12x = 150,152,141,354,957.78
  5. Step 5: Solve for x
    x = 150,152,141,354,957.78/13,726,962.12
  6. Step 6: Final answer
    x = 10,938,482.97

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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.