Home / 20,150,491.80-30,225,737.70-8,191,810.20

Finding the Fourth Proportional to 20,150,491.80, 30,225,737.70 and 8,191,810.20

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Solution

The fourth proportional to 20,150,491.80, 30,225,737.70 and 8,191,810.20 is: 12,287,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,491.80 : 30,225,737.70 = 8,191,810.20 : x
  2. Step 2: Convert to fraction form
    20,150,491.80/30,225,737.70 = 8,191,810.20/x
  3. Step 3: Cross multiply
    20,150,491.80x = 30,225,737.70 × 8,191,810.20
  4. Step 4: Simplify right side
    20,150,491.80x = 247,603,506,393,384.53
  5. Step 5: Solve for x
    x = 247,603,506,393,384.53/20,150,491.80
  6. Step 6: Final answer
    x = 12,287,715.30

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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.