Home / 9,841,986.40-14,762,979.60-7,417,040.80

Finding the Fourth Proportional to 9,841,986.40, 14,762,979.60 and 7,417,040.80

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Solution

The fourth proportional to 9,841,986.40, 14,762,979.60 and 7,417,040.80 is: 11,125,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,986.40 : 14,762,979.60 = 7,417,040.80 : x
  2. Step 2: Convert to fraction form
    9,841,986.40/14,762,979.60 = 7,417,040.80/x
  3. Step 3: Cross multiply
    9,841,986.40x = 14,762,979.60 × 7,417,040.80
  4. Step 4: Simplify right side
    9,841,986.40x = 109,497,622,022,767.67
  5. Step 5: Solve for x
    x = 109,497,622,022,767.67/9,841,986.40
  6. Step 6: Final answer
    x = 11,125,561.20

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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.