Home / 18,179,817.60-25,088,669.28-10,031,580.48

Finding the Fourth Proportional to 18,179,817.60, 25,088,669.28 and 10,031,580.48

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Solution

The fourth proportional to 18,179,817.60, 25,088,669.28 and 10,031,580.48 is: 13,843,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,817.60 : 25,088,669.28 = 10,031,580.48 : x
  2. Step 2: Convert to fraction form
    18,179,817.60/25,088,669.28 = 10,031,580.48/x
  3. Step 3: Cross multiply
    18,179,817.60x = 25,088,669.28 × 10,031,580.48
  4. Step 4: Simplify right side
    18,179,817.60x = 251,679,005,018,423.69
  5. Step 5: Solve for x
    x = 251,679,005,018,423.69/18,179,817.60
  6. Step 6: Final answer
    x = 13,843,868.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.