Home / 56,004,328.80-84,006,493.20-15,614,812.80

Finding the Fourth Proportional to 56,004,328.80, 84,006,493.20 and 15,614,812.80

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Solution

The fourth proportional to 56,004,328.80, 84,006,493.20 and 15,614,812.80 is: 23,422,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004,328.80 : 84,006,493.20 = 15,614,812.80 : x
  2. Step 2: Convert to fraction form
    56,004,328.80/84,006,493.20 = 15,614,812.80/x
  3. Step 3: Cross multiply
    56,004,328.80x = 84,006,493.20 × 15,614,812.80
  4. Step 4: Simplify right side
    56,004,328.80x = 1,311,745,665,302,473
  5. Step 5: Solve for x
    x = 1,311,745,665,302,473/56,004,328.80
  6. Step 6: Final answer
    x = 23,422,219.20

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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.