Home / 20,212,719.59-30,319,065.35-4,860,004.20

Finding the Fourth Proportional to 20,212,719.59, 30,319,065.35 and 4,860,004.20

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Solution

The fourth proportional to 20,212,719.59, 30,319,065.35 and 4,860,004.20 is: 7,290,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,719.59 : 30,319,065.35 = 4,860,004.20 : x
  2. Step 2: Convert to fraction form
    20,212,719.59/30,319,065.35 = 4,860,004.20/x
  3. Step 3: Cross multiply
    20,212,719.59x = 30,319,065.35 × 4,860,004.20
  4. Step 4: Simplify right side
    20,212,719.59x = 147,350,784,821,302.97
  5. Step 5: Solve for x
    x = 147,350,784,821,302.97/20,212,719.59
  6. Step 6: Final answer
    x = 7,290,002.92

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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.