Home / 7,458,287.60-11,187,431.40-2,666,133.20

Finding the Fourth Proportional to 7,458,287.60, 11,187,431.40 and 2,666,133.20

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Solution

The fourth proportional to 7,458,287.60, 11,187,431.40 and 2,666,133.20 is: 3,999,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458,287.60 : 11,187,431.40 = 2,666,133.20 : x
  2. Step 2: Convert to fraction form
    7,458,287.60/11,187,431.40 = 2,666,133.20/x
  3. Step 3: Cross multiply
    7,458,287.60x = 11,187,431.40 × 2,666,133.20
  4. Step 4: Simplify right side
    7,458,287.60x = 29,827,182,278,262.48
  5. Step 5: Solve for x
    x = 29,827,182,278,262.48/7,458,287.60
  6. Step 6: Final answer
    x = 3,999,199.80

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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.