Home / 20,117,970.08-30,176,660.28-4,971,901.04

Finding the Fourth Proportional to 20,117,970.08, 30,176,660.28 and 4,971,901.04

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Solution

The fourth proportional to 20,117,970.08, 30,176,660.28 and 4,971,901.04 is: 7,457,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,970.08 : 30,176,660.28 = 4,971,901.04 : x
  2. Step 2: Convert to fraction form
    20,117,970.08/30,176,660.28 = 4,971,901.04/x
  3. Step 3: Cross multiply
    20,117,970.08x = 30,176,660.28 × 4,971,901.04
  4. Step 4: Simplify right side
    20,117,970.08x = 150,035,368,629,858.69
  5. Step 5: Solve for x
    x = 150,035,368,629,858.69/20,117,970.08
  6. Step 6: Final answer
    x = 7,457,778.69

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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.