Home / 12,644,416.40-18,910,637.40-10,628,877.20

Finding the Fourth Proportional to 12,644,416.40, 18,910,637.40 and 10,628,877.20

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Solution

The fourth proportional to 12,644,416.40, 18,910,637.40 and 10,628,877.20 is: 15,896,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,416.40 : 18,910,637.40 = 10,628,877.20 : x
  2. Step 2: Convert to fraction form
    12,644,416.40/18,910,637.40 = 10,628,877.20/x
  3. Step 3: Cross multiply
    12,644,416.40x = 18,910,637.40 × 10,628,877.20
  4. Step 4: Simplify right side
    12,644,416.40x = 200,998,842,698,327.25
  5. Step 5: Solve for x
    x = 200,998,842,698,327.25/12,644,416.40
  6. Step 6: Final answer
    x = 15,896,253.04

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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.