Home / 13,149,006.40-19,723,509.60-8,614,043.20

Finding the Fourth Proportional to 13,149,006.40, 19,723,509.60 and 8,614,043.20

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Solution

The fourth proportional to 13,149,006.40, 19,723,509.60 and 8,614,043.20 is: 12,921,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,006.40 : 19,723,509.60 = 8,614,043.20 : x
  2. Step 2: Convert to fraction form
    13,149,006.40/19,723,509.60 = 8,614,043.20/x
  3. Step 3: Cross multiply
    13,149,006.40x = 19,723,509.60 × 8,614,043.20
  4. Step 4: Simplify right side
    13,149,006.40x = 169,899,163,750,014.72
  5. Step 5: Solve for x
    x = 169,899,163,750,014.72/13,149,006.40
  6. Step 6: Final answer
    x = 12,921,064.80

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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.