Home / 30,543,287.16-45,814,943.70-8,977,890.36

Finding the Fourth Proportional to 30,543,287.16, 45,814,943.70 and 8,977,890.36

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Solution

The fourth proportional to 30,543,287.16, 45,814,943.70 and 8,977,890.36 is: 13,466,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,287.16 : 45,814,943.70 = 8,977,890.36 : x
  2. Step 2: Convert to fraction form
    30,543,287.16/45,814,943.70 = 8,977,890.36/x
  3. Step 3: Cross multiply
    30,543,287.16x = 45,814,943.70 × 8,977,890.36
  4. Step 4: Simplify right side
    30,543,287.16x = 411,321,541,388,172.75
  5. Step 5: Solve for x
    x = 411,321,541,388,172.75/30,543,287.16
  6. Step 6: Final answer
    x = 13,466,839.35

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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.