Home / 12,400,952.20-18,604,985.84-5,208,787.24

Finding the Fourth Proportional to 12,400,952.20, 18,604,985.84 and 5,208,787.24

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Solution

The fourth proportional to 12,400,952.20, 18,604,985.84 and 5,208,787.24 is: 7,814,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,952.20 : 18,604,985.84 = 5,208,787.24 : x
  2. Step 2: Convert to fraction form
    12,400,952.20/18,604,985.84 = 5,208,787.24/x
  3. Step 3: Cross multiply
    12,400,952.20x = 18,604,985.84 × 5,208,787.24
  4. Step 4: Simplify right side
    12,400,952.20x = 96,909,412,843,772.69
  5. Step 5: Solve for x
    x = 96,909,412,843,772.69/12,400,952.20
  6. Step 6: Final answer
    x = 7,814,675.14

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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.