Home / 40,381,295.60-60,571,943.40-18,808,727.60

Finding the Fourth Proportional to 40,381,295.60, 60,571,943.40 and 18,808,727.60

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Solution

The fourth proportional to 40,381,295.60, 60,571,943.40 and 18,808,727.60 is: 28,213,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,295.60 : 60,571,943.40 = 18,808,727.60 : x
  2. Step 2: Convert to fraction form
    40,381,295.60/60,571,943.40 = 18,808,727.60/x
  3. Step 3: Cross multiply
    40,381,295.60x = 60,571,943.40 × 18,808,727.60
  4. Step 4: Simplify right side
    40,381,295.60x = 1,139,281,183,613,218
  5. Step 5: Solve for x
    x = 1,139,281,183,613,218/40,381,295.60
  6. Step 6: Final answer
    x = 28,213,091.40

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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.