Home / 20,506,766.80-30,761,899.80-5,360,674

Finding the Fourth Proportional to 20,506,766.80, 30,761,899.80 and 5,360,674

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Solution

The fourth proportional to 20,506,766.80, 30,761,899.80 and 5,360,674 is: 8,041,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506,766.80 : 30,761,899.80 = 5,360,674 : x
  2. Step 2: Convert to fraction form
    20,506,766.80/30,761,899.80 = 5,360,674/x
  3. Step 3: Cross multiply
    20,506,766.80x = 30,761,899.80 × 5,360,674
  4. Step 4: Simplify right side
    20,506,766.80x = 164,904,516,448,465.22
  5. Step 5: Solve for x
    x = 164,904,516,448,465.22/20,506,766.80
  6. Step 6: Final answer
    x = 8,041,468.36

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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.