Home / 12,432,899.60-18,651,871.65-3,911,254.10

Finding the Fourth Proportional to 12,432,899.60, 18,651,871.65 and 3,911,254.10

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Solution

The fourth proportional to 12,432,899.60, 18,651,871.65 and 3,911,254.10 is: 5,867,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,899.60 : 18,651,871.65 = 3,911,254.10 : x
  2. Step 2: Convert to fraction form
    12,432,899.60/18,651,871.65 = 3,911,254.10/x
  3. Step 3: Cross multiply
    12,432,899.60x = 18,651,871.65 × 3,911,254.10
  4. Step 4: Simplify right side
    12,432,899.60x = 72,952,209,463,736.27
  5. Step 5: Solve for x
    x = 72,952,209,463,736.27/12,432,899.60
  6. Step 6: Final answer
    x = 5,867,674.62

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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.