Home / 10,109,851.80-15,164,777.70-7,240,070.40

Finding the Fourth Proportional to 10,109,851.80, 15,164,777.70 and 7,240,070.40

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Solution

The fourth proportional to 10,109,851.80, 15,164,777.70 and 7,240,070.40 is: 10,860,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,851.80 : 15,164,777.70 = 7,240,070.40 : x
  2. Step 2: Convert to fraction form
    10,109,851.80/15,164,777.70 = 7,240,070.40/x
  3. Step 3: Cross multiply
    10,109,851.80x = 15,164,777.70 × 7,240,070.40
  4. Step 4: Simplify right side
    10,109,851.80x = 109,794,058,148,350.08
  5. Step 5: Solve for x
    x = 109,794,058,148,350.08/10,109,851.80
  6. Step 6: Final answer
    x = 10,860,105.60

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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.