Home / 13,503,985.60-18,635,498.68-7,309,031.30

Finding the Fourth Proportional to 13,503,985.60, 18,635,498.68 and 7,309,031.30

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Solution

The fourth proportional to 13,503,985.60, 18,635,498.68 and 7,309,031.30 is: 10,086,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,985.60 : 18,635,498.68 = 7,309,031.30 : x
  2. Step 2: Convert to fraction form
    13,503,985.60/18,635,498.68 = 7,309,031.30/x
  3. Step 3: Cross multiply
    13,503,985.60x = 18,635,498.68 × 7,309,031.30
  4. Step 4: Simplify right side
    13,503,985.60x = 136,207,443,143,228.67
  5. Step 5: Solve for x
    x = 136,207,443,143,228.67/13,503,985.60
  6. Step 6: Final answer
    x = 10,086,462.41

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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.