Home / 36,750,153.66-55,125,815.10-20,458,985.61

Finding the Fourth Proportional to 36,750,153.66, 55,125,815.10 and 20,458,985.61

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Solution

The fourth proportional to 36,750,153.66, 55,125,815.10 and 20,458,985.61 is: 30,688,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750,153.66 : 55,125,815.10 = 20,458,985.61 : x
  2. Step 2: Convert to fraction form
    36,750,153.66/55,125,815.10 = 20,458,985.61/x
  3. Step 3: Cross multiply
    36,750,153.66x = 55,125,815.10 × 20,458,985.61
  4. Step 4: Simplify right side
    36,750,153.66x = 1,127,818,257,870,420.75
  5. Step 5: Solve for x
    x = 1,127,818,257,870,420.75/36,750,153.66
  6. Step 6: Final answer
    x = 30,688,803.87

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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.