Home / 10,111,330.80-15,166,996.20-7,276,978.80

Finding the Fourth Proportional to 10,111,330.80, 15,166,996.20 and 7,276,978.80

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Solution

The fourth proportional to 10,111,330.80, 15,166,996.20 and 7,276,978.80 is: 10,915,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111,330.80 : 15,166,996.20 = 7,276,978.80 : x
  2. Step 2: Convert to fraction form
    10,111,330.80/15,166,996.20 = 7,276,978.80/x
  3. Step 3: Cross multiply
    10,111,330.80x = 15,166,996.20 × 7,276,978.80
  4. Step 4: Simplify right side
    10,111,330.80x = 110,369,909,807,080.55
  5. Step 5: Solve for x
    x = 110,369,909,807,080.55/10,111,330.80
  6. Step 6: Final answer
    x = 10,915,468.20

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1.5x scale

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.