Home / 40,479,600.80-60,719,401.20-38,688,010.40

Finding the Fourth Proportional to 40,479,600.80, 60,719,401.20 and 38,688,010.40

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Solution

The fourth proportional to 40,479,600.80, 60,719,401.20 and 38,688,010.40 is: 58,032,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479,600.80 : 60,719,401.20 = 38,688,010.40 : x
  2. Step 2: Convert to fraction form
    40,479,600.80/60,719,401.20 = 38,688,010.40/x
  3. Step 3: Cross multiply
    40,479,600.80x = 60,719,401.20 × 38,688,010.40
  4. Step 4: Simplify right side
    40,479,600.80x = 2,349,112,825,107,372.50
  5. Step 5: Solve for x
    x = 2,349,112,825,107,372.50/40,479,600.80
  6. Step 6: Final answer
    x = 58,032,015.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.