Home / 30,543,023.36-45,814,545.60-8,977,628.80

Finding the Fourth Proportional to 30,543,023.36, 45,814,545.60 and 8,977,628.80

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Solution

The fourth proportional to 30,543,023.36, 45,814,545.60 and 8,977,628.80 is: 13,466,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,023.36 : 45,814,545.60 = 8,977,628.80 : x
  2. Step 2: Convert to fraction form
    30,543,023.36/45,814,545.60 = 8,977,628.80/x
  3. Step 3: Cross multiply
    30,543,023.36x = 45,814,545.60 × 8,977,628.80
  4. Step 4: Simplify right side
    30,543,023.36x = 411,305,984,037,473.31
  5. Step 5: Solve for x
    x = 411,305,984,037,473.31/30,543,023.36
  6. Step 6: Final answer
    x = 13,466,446.30

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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.