Home / 8,910,032.40-13,365,048.60-7,986,243.60

Finding the Fourth Proportional to 8,910,032.40, 13,365,048.60 and 7,986,243.60

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Solution

The fourth proportional to 8,910,032.40, 13,365,048.60 and 7,986,243.60 is: 11,979,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,032.40 : 13,365,048.60 = 7,986,243.60 : x
  2. Step 2: Convert to fraction form
    8,910,032.40/13,365,048.60 = 7,986,243.60/x
  3. Step 3: Cross multiply
    8,910,032.40x = 13,365,048.60 × 7,986,243.60
  4. Step 4: Simplify right side
    8,910,032.40x = 106,736,533,845,438.95
  5. Step 5: Solve for x
    x = 106,736,533,845,438.95/8,910,032.40
  6. Step 6: Final answer
    x = 11,979,365.40

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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.