Home / 15,407,304.72-21,268,947.24-10,183,459.20

Finding the Fourth Proportional to 15,407,304.72, 21,268,947.24 and 10,183,459.20

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Solution

The fourth proportional to 15,407,304.72, 21,268,947.24 and 10,183,459.20 is: 14,057,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407,304.72 : 21,268,947.24 = 10,183,459.20 : x
  2. Step 2: Convert to fraction form
    15,407,304.72/21,268,947.24 = 10,183,459.20/x
  3. Step 3: Cross multiply
    15,407,304.72x = 21,268,947.24 × 10,183,459.20
  4. Step 4: Simplify right side
    15,407,304.72x = 216,591,456,445,492.56
  5. Step 5: Solve for x
    x = 216,591,456,445,492.56/15,407,304.72
  6. Step 6: Final answer
    x = 14,057,712.26

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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.