Home / 40,321,813.60-60,444,013.20-13,381,602.40

Finding the Fourth Proportional to 40,321,813.60, 60,444,013.20 and 13,381,602.40

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Solution

The fourth proportional to 40,321,813.60, 60,444,013.20 and 13,381,602.40 is: 20,059,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,813.60 : 60,444,013.20 = 13,381,602.40 : x
  2. Step 2: Convert to fraction form
    40,321,813.60/60,444,013.20 = 13,381,602.40/x
  3. Step 3: Cross multiply
    40,321,813.60x = 60,444,013.20 × 13,381,602.40
  4. Step 4: Simplify right side
    40,321,813.60x = 808,837,752,102,751.75
  5. Step 5: Solve for x
    x = 808,837,752,102,751.75/40,321,813.60
  6. Step 6: Final answer
    x = 20,059,557.84

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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.