Home / 20,236,501.10-30,354,751.65-5,090,432.60

Finding the Fourth Proportional to 20,236,501.10, 30,354,751.65 and 5,090,432.60

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Solution

The fourth proportional to 20,236,501.10, 30,354,751.65 and 5,090,432.60 is: 7,635,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,501.10 : 30,354,751.65 = 5,090,432.60 : x
  2. Step 2: Convert to fraction form
    20,236,501.10/30,354,751.65 = 5,090,432.60/x
  3. Step 3: Cross multiply
    20,236,501.10x = 30,354,751.65 × 5,090,432.60
  4. Step 4: Simplify right side
    20,236,501.10x = 154,518,817,364,063.78
  5. Step 5: Solve for x
    x = 154,518,817,364,063.78/20,236,501.10
  6. Step 6: Final answer
    x = 7,635,648.90

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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.