Home / 10,478,109.64-15,719,779.68-3,654,781.08

Finding the Fourth Proportional to 10,478,109.64, 15,719,779.68 and 3,654,781.08

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Solution

The fourth proportional to 10,478,109.64, 15,719,779.68 and 3,654,781.08 is: 5,483,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,109.64 : 15,719,779.68 = 3,654,781.08 : x
  2. Step 2: Convert to fraction form
    10,478,109.64/15,719,779.68 = 3,654,781.08/x
  3. Step 3: Cross multiply
    10,478,109.64x = 15,719,779.68 × 3,654,781.08
  4. Step 4: Simplify right side
    10,478,109.64x = 57,452,353,356,232.45
  5. Step 5: Solve for x
    x = 57,452,353,356,232.45/10,478,109.64
  6. Step 6: Final answer
    x = 5,483,083.81

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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.