Home / 20,290,239.06-30,435,420.15-4,937,531.19

Finding the Fourth Proportional to 20,290,239.06, 30,435,420.15 and 4,937,531.19

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Solution

The fourth proportional to 20,290,239.06, 30,435,420.15 and 4,937,531.19 is: 7,406,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290,239.06 : 30,435,420.15 = 4,937,531.19 : x
  2. Step 2: Convert to fraction form
    20,290,239.06/30,435,420.15 = 4,937,531.19/x
  3. Step 3: Cross multiply
    20,290,239.06x = 30,435,420.15 × 4,937,531.19
  4. Step 4: Simplify right side
    20,290,239.06x = 150,275,836,271,379.47
  5. Step 5: Solve for x
    x = 150,275,836,271,379.47/20,290,239.06
  6. Step 6: Final answer
    x = 7,406,311.77

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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.