Home / 13,045,031.60-18,000,190.80-7,462,390.49

Finding the Fourth Proportional to 13,045,031.60, 18,000,190.80 and 7,462,390.49

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Solution

The fourth proportional to 13,045,031.60, 18,000,190.80 and 7,462,390.49 is: 10,296,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,031.60 : 18,000,190.80 = 7,462,390.49 : x
  2. Step 2: Convert to fraction form
    13,045,031.60/18,000,190.80 = 7,462,390.49/x
  3. Step 3: Cross multiply
    13,045,031.60x = 18,000,190.80 × 7,462,390.49
  4. Step 4: Simplify right side
    13,045,031.60x = 134,324,452,554,104.55
  5. Step 5: Solve for x
    x = 134,324,452,554,104.55/13,045,031.60
  6. Step 6: Final answer
    x = 10,296,981.77

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1.5x scale

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.