Home / 13,231,637.20-19,847,455.80-9,872,405.20

Finding the Fourth Proportional to 13,231,637.20, 19,847,455.80 and 9,872,405.20

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Solution

The fourth proportional to 13,231,637.20, 19,847,455.80 and 9,872,405.20 is: 14,808,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,637.20 : 19,847,455.80 = 9,872,405.20 : x
  2. Step 2: Convert to fraction form
    13,231,637.20/19,847,455.80 = 9,872,405.20/x
  3. Step 3: Cross multiply
    13,231,637.20x = 19,847,455.80 × 9,872,405.20
  4. Step 4: Simplify right side
    13,231,637.20x = 195,942,125,846,690.16
  5. Step 5: Solve for x
    x = 195,942,125,846,690.16/13,231,637.20
  6. Step 6: Final answer
    x = 14,808,607.80

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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.