Home / 10,298,885.20-15,430,613.10-6,702,801.10

Finding the Fourth Proportional to 10,298,885.20, 15,430,613.10 and 6,702,801.10

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Solution

The fourth proportional to 10,298,885.20, 15,430,613.10 and 6,702,801.10 is: 10,042,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298,885.20 : 15,430,613.10 = 6,702,801.10 : x
  2. Step 2: Convert to fraction form
    10,298,885.20/15,430,613.10 = 6,702,801.10/x
  3. Step 3: Cross multiply
    10,298,885.20x = 15,430,613.10 × 6,702,801.10
  4. Step 4: Simplify right side
    10,298,885.20x = 103,428,330,460,354.41
  5. Step 5: Solve for x
    x = 103,428,330,460,354.41/10,298,885.20
  6. Step 6: Final answer
    x = 10,042,672.43

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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.