Home / 30,109,302.60-45,165,638.68-9,640,822.92

Finding the Fourth Proportional to 30,109,302.60, 45,165,638.68 and 9,640,822.92

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Solution

The fourth proportional to 30,109,302.60, 45,165,638.68 and 9,640,822.92 is: 14,461,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109,302.60 : 45,165,638.68 = 9,640,822.92 : x
  2. Step 2: Convert to fraction form
    30,109,302.60/45,165,638.68 = 9,640,822.92/x
  3. Step 3: Cross multiply
    30,109,302.60x = 45,165,638.68 × 9,640,822.92
  4. Step 4: Simplify right side
    30,109,302.60x = 435,433,924,582,582.56
  5. Step 5: Solve for x
    x = 435,433,924,582,582.56/30,109,302.60
  6. Step 6: Final answer
    x = 14,461,773.84

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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.