Home / 12,483,765.70-18,739,645.35-9,656,412.10

Finding the Fourth Proportional to 12,483,765.70, 18,739,645.35 and 9,656,412.10

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Solution

The fourth proportional to 12,483,765.70, 18,739,645.35 and 9,656,412.10 is: 14,495,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,765.70 : 18,739,645.35 = 9,656,412.10 : x
  2. Step 2: Convert to fraction form
    12,483,765.70/18,739,645.35 = 9,656,412.10/x
  3. Step 3: Cross multiply
    12,483,765.70x = 18,739,645.35 × 9,656,412.10
  4. Step 4: Simplify right side
    12,483,765.70x = 180,957,738,107,448.75
  5. Step 5: Solve for x
    x = 180,957,738,107,448.75/12,483,765.70
  6. Step 6: Final answer
    x = 14,495,444.92

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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.