Home / 40,381,289.60-60,571,934.40-18,808,721.60

Finding the Fourth Proportional to 40,381,289.60, 60,571,934.40 and 18,808,721.60

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Solution

The fourth proportional to 40,381,289.60, 60,571,934.40 and 18,808,721.60 is: 28,213,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381,289.60 : 60,571,934.40 = 18,808,721.60 : x
  2. Step 2: Convert to fraction form
    40,381,289.60/60,571,934.40 = 18,808,721.60/x
  3. Step 3: Cross multiply
    40,381,289.60x = 60,571,934.40 × 18,808,721.60
  4. Step 4: Simplify right side
    40,381,289.60x = 1,139,280,650,903,063
  5. Step 5: Solve for x
    x = 1,139,280,650,903,063/40,381,289.60
  6. Step 6: Final answer
    x = 28,213,082.40

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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.