Home / 12,580,755.36-18,843,472.08-10,397,031.84

Finding the Fourth Proportional to 12,580,755.36, 18,843,472.08 and 10,397,031.84

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Solution

The fourth proportional to 12,580,755.36, 18,843,472.08 and 10,397,031.84 is: 15,572,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,755.36 : 18,843,472.08 = 10,397,031.84 : x
  2. Step 2: Convert to fraction form
    12,580,755.36/18,843,472.08 = 10,397,031.84/x
  3. Step 3: Cross multiply
    12,580,755.36x = 18,843,472.08 × 10,397,031.84
  4. Step 4: Simplify right side
    12,580,755.36x = 195,916,179,191,911
  5. Step 5: Solve for x
    x = 195,916,179,191,911/12,580,755.36
  6. Step 6: Final answer
    x = 15,572,688.09

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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.