Home / 12,302,316.80-18,453,475.20-9,910,832.30

Finding the Fourth Proportional to 12,302,316.80, 18,453,475.20 and 9,910,832.30

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Solution

The fourth proportional to 12,302,316.80, 18,453,475.20 and 9,910,832.30 is: 14,866,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,316.80 : 18,453,475.20 = 9,910,832.30 : x
  2. Step 2: Convert to fraction form
    12,302,316.80/18,453,475.20 = 9,910,832.30/x
  3. Step 3: Cross multiply
    12,302,316.80x = 18,453,475.20 × 9,910,832.30
  4. Step 4: Simplify right side
    12,302,316.80x = 182,889,298,059,408.97
  5. Step 5: Solve for x
    x = 182,889,298,059,408.97/12,302,316.80
  6. Step 6: Final answer
    x = 14,866,248.45

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1.5x scale

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.