Home / 9,779,057.76-13,494,424.20-5,427,801.72

Finding the Fourth Proportional to 9,779,057.76, 13,494,424.20 and 5,427,801.72

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Solution

The fourth proportional to 9,779,057.76, 13,494,424.20 and 5,427,801.72 is: 7,489,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779,057.76 : 13,494,424.20 = 5,427,801.72 : x
  2. Step 2: Convert to fraction form
    9,779,057.76/13,494,424.20 = 5,427,801.72/x
  3. Step 3: Cross multiply
    9,779,057.76x = 13,494,424.20 × 5,427,801.72
  4. Step 4: Simplify right side
    9,779,057.76x = 73,245,058,883,169.61
  5. Step 5: Solve for x
    x = 73,245,058,883,169.61/9,779,057.76
  6. Step 6: Final answer
    x = 7,489,991.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.