Home / 12,875,680.80-19,313,521.20-4,356,295.20

Finding the Fourth Proportional to 12,875,680.80, 19,313,521.20 and 4,356,295.20

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Solution

The fourth proportional to 12,875,680.80, 19,313,521.20 and 4,356,295.20 is: 6,534,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,680.80 : 19,313,521.20 = 4,356,295.20 : x
  2. Step 2: Convert to fraction form
    12,875,680.80/19,313,521.20 = 4,356,295.20/x
  3. Step 3: Cross multiply
    12,875,680.80x = 19,313,521.20 × 4,356,295.20
  4. Step 4: Simplify right side
    12,875,680.80x = 84,135,399,698,658.23
  5. Step 5: Solve for x
    x = 84,135,399,698,658.23/12,875,680.80
  6. Step 6: Final answer
    x = 6,534,442.80

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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.