Home / 39,182,589.60-58,775,196.72-13,623,820.40

Finding the Fourth Proportional to 39,182,589.60, 58,775,196.72 and 13,623,820.40

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Solution

The fourth proportional to 39,182,589.60, 58,775,196.72 and 13,623,820.40 is: 20,436,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182,589.60 : 58,775,196.72 = 13,623,820.40 : x
  2. Step 2: Convert to fraction form
    39,182,589.60/58,775,196.72 = 13,623,820.40/x
  3. Step 3: Cross multiply
    39,182,589.60x = 58,775,196.72 × 13,623,820.40
  4. Step 4: Simplify right side
    39,182,589.60x = 800,742,724,087,949.12
  5. Step 5: Solve for x
    x = 800,742,724,087,949.12/39,182,589.60
  6. Step 6: Final answer
    x = 20,436,186.89

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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.