Home / 28,952,860.80-43,427,908.80-9,781,737.60

Finding the Fourth Proportional to 28,952,860.80, 43,427,908.80 and 9,781,737.60

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Solution

The fourth proportional to 28,952,860.80, 43,427,908.80 and 9,781,737.60 is: 14,672,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952,860.80 : 43,427,908.80 = 9,781,737.60 : x
  2. Step 2: Convert to fraction form
    28,952,860.80/43,427,908.80 = 9,781,737.60/x
  3. Step 3: Cross multiply
    28,952,860.80x = 43,427,908.80 × 9,781,737.60
  4. Step 4: Simplify right side
    28,952,860.80x = 424,800,408,398,330.81
  5. Step 5: Solve for x
    x = 424,800,408,398,330.81/28,952,860.80
  6. Step 6: Final answer
    x = 14,672,139.36

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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.