Home / 7,163,995.48-9,886,227.60-3,900,809.20

Finding the Fourth Proportional to 7,163,995.48, 9,886,227.60 and 3,900,809.20

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Solution

The fourth proportional to 7,163,995.48, 9,886,227.60 and 3,900,809.20 is: 5,383,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,995.48 : 9,886,227.60 = 3,900,809.20 : x
  2. Step 2: Convert to fraction form
    7,163,995.48/9,886,227.60 = 3,900,809.20/x
  3. Step 3: Cross multiply
    7,163,995.48x = 9,886,227.60 × 3,900,809.20
  4. Step 4: Simplify right side
    7,163,995.48x = 38,564,287,575,373.92
  5. Step 5: Solve for x
    x = 38,564,287,575,373.92/7,163,995.48
  6. Step 6: Final answer
    x = 5,383,069.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.