Home / 20,205,089.40-30,307,634.10-5,828,626.20

Finding the Fourth Proportional to 20,205,089.40, 30,307,634.10 and 5,828,626.20

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Solution

The fourth proportional to 20,205,089.40, 30,307,634.10 and 5,828,626.20 is: 8,742,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205,089.40 : 30,307,634.10 = 5,828,626.20 : x
  2. Step 2: Convert to fraction form
    20,205,089.40/30,307,634.10 = 5,828,626.20/x
  3. Step 3: Cross multiply
    20,205,089.40x = 30,307,634.10 × 5,828,626.20
  4. Step 4: Simplify right side
    20,205,089.40x = 176,651,870,175,273.44
  5. Step 5: Solve for x
    x = 176,651,870,175,273.44/20,205,089.40
  6. Step 6: Final answer
    x = 8,742,939.30

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Similar ratio
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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.