Home / 39,922,025-59,885,216.80-12,626,280.08

Finding the Fourth Proportional to 39,922,025, 59,885,216.80 and 12,626,280.08

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Solution

The fourth proportional to 39,922,025, 59,885,216.80 and 12,626,280.08 is: 18,940,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922,025 : 59,885,216.80 = 12,626,280.08 : x
  2. Step 2: Convert to fraction form
    39,922,025/59,885,216.80 = 12,626,280.08/x
  3. Step 3: Cross multiply
    39,922,025x = 59,885,216.80 × 12,626,280.08
  4. Step 4: Simplify right side
    39,922,025x = 756,127,519,968,321.25
  5. Step 5: Solve for x
    x = 756,127,519,968,321.25/39,922,025
  6. Step 6: Final answer
    x = 18,940,109.37

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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.