Home / 39,289,325.80-58,940,439.90-12,356,487.40

Finding the Fourth Proportional to 39,289,325.80, 58,940,439.90 and 12,356,487.40

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Solution

The fourth proportional to 39,289,325.80, 58,940,439.90 and 12,356,487.40 is: 18,536,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289,325.80 : 58,940,439.90 = 12,356,487.40 : x
  2. Step 2: Convert to fraction form
    39,289,325.80/58,940,439.90 = 12,356,487.40/x
  3. Step 3: Cross multiply
    39,289,325.80x = 58,940,439.90 × 12,356,487.40
  4. Step 4: Simplify right side
    39,289,325.80x = 728,296,802,974,807.25
  5. Step 5: Solve for x
    x = 728,296,802,974,807.25/39,289,325.80
  6. Step 6: Final answer
    x = 18,536,760.00

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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.