Home / 7,209,267.78-9,948,851.58-4,111,948.03

Finding the Fourth Proportional to 7,209,267.78, 9,948,851.58 and 4,111,948.03

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Solution

The fourth proportional to 7,209,267.78, 9,948,851.58 and 4,111,948.03 is: 5,674,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,267.78 : 9,948,851.58 = 4,111,948.03 : x
  2. Step 2: Convert to fraction form
    7,209,267.78/9,948,851.58 = 4,111,948.03/x
  3. Step 3: Cross multiply
    7,209,267.78x = 9,948,851.58 × 4,111,948.03
  4. Step 4: Simplify right side
    7,209,267.78x = 40,909,160,584,839.38
  5. Step 5: Solve for x
    x = 40,909,160,584,839.38/7,209,267.78
  6. Step 6: Final answer
    x = 5,674,523.66

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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.