Home / 13,163,225.60-19,723,641.60-7,466,508.80

Finding the Fourth Proportional to 13,163,225.60, 19,723,641.60 and 7,466,508.80

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Solution

The fourth proportional to 13,163,225.60, 19,723,641.60 and 7,466,508.80 is: 11,187,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,225.60 : 19,723,641.60 = 7,466,508.80 : x
  2. Step 2: Convert to fraction form
    13,163,225.60/19,723,641.60 = 7,466,508.80/x
  3. Step 3: Cross multiply
    13,163,225.60x = 19,723,641.60 × 7,466,508.80
  4. Step 4: Simplify right side
    13,163,225.60x = 147,266,743,574,446.09
  5. Step 5: Solve for x
    x = 147,266,743,574,446.09/13,163,225.60
  6. Step 6: Final answer
    x = 11,187,739.85

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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.