Home / 13,239,620.40-19,859,430.60-4,720,234.80

Finding the Fourth Proportional to 13,239,620.40, 19,859,430.60 and 4,720,234.80

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Solution

The fourth proportional to 13,239,620.40, 19,859,430.60 and 4,720,234.80 is: 7,080,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239,620.40 : 19,859,430.60 = 4,720,234.80 : x
  2. Step 2: Convert to fraction form
    13,239,620.40/19,859,430.60 = 4,720,234.80/x
  3. Step 3: Cross multiply
    13,239,620.40x = 19,859,430.60 × 4,720,234.80
  4. Step 4: Simplify right side
    13,239,620.40x = 93,741,175,426,304.89
  5. Step 5: Solve for x
    x = 93,741,175,426,304.89/13,239,620.40
  6. Step 6: Final answer
    x = 7,080,352.20

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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.