Home / 40,381,261.60-60,571,892.40-18,808,693.60

Finding the Fourth Proportional to 40,381,261.60, 60,571,892.40 and 18,808,693.60

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Solution

The fourth proportional to 40,381,261.60, 60,571,892.40 and 18,808,693.60 is: 28,213,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,261.60 : 60,571,892.40 = 18,808,693.60 : x
  2. Step 2: Convert to fraction form
    40,381,261.60/60,571,892.40 = 18,808,693.60/x
  3. Step 3: Cross multiply
    40,381,261.60x = 60,571,892.40 × 18,808,693.60
  4. Step 4: Simplify right side
    40,381,261.60x = 1,139,278,164,923,768.75
  5. Step 5: Solve for x
    x = 1,139,278,164,923,768.75/40,381,261.60
  6. Step 6: Final answer
    x = 28,213,040.40

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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.