Home / 12,452,138.51-17,189,461.28-8,044,013.48

Finding the Fourth Proportional to 12,452,138.51, 17,189,461.28 and 8,044,013.48

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Solution

The fourth proportional to 12,452,138.51, 17,189,461.28 and 8,044,013.48 is: 11,104,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,138.51 : 17,189,461.28 = 8,044,013.48 : x
  2. Step 2: Convert to fraction form
    12,452,138.51/17,189,461.28 = 8,044,013.48/x
  3. Step 3: Cross multiply
    12,452,138.51x = 17,189,461.28 × 8,044,013.48
  4. Step 4: Simplify right side
    12,452,138.51x = 138,272,258,184,420.77
  5. Step 5: Solve for x
    x = 138,272,258,184,420.77/12,452,138.51
  6. Step 6: Final answer
    x = 11,104,298.12

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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.