Home / 8,972,345.80-13,449,770.70-5,130,224.20

Finding the Fourth Proportional to 8,972,345.80, 13,449,770.70 and 5,130,224.20

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Solution

The fourth proportional to 8,972,345.80, 13,449,770.70 and 5,130,224.20 is: 7,690,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,345.80 : 13,449,770.70 = 5,130,224.20 : x
  2. Step 2: Convert to fraction form
    8,972,345.80/13,449,770.70 = 5,130,224.20/x
  3. Step 3: Cross multiply
    8,972,345.80x = 13,449,770.70 × 5,130,224.20
  4. Step 4: Simplify right side
    8,972,345.80x = 69,000,339,129,590.94
  5. Step 5: Solve for x
    x = 69,000,339,129,590.94/8,972,345.80
  6. Step 6: Final answer
    x = 7,690,334.35

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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.