Home / 12,030,643.40-18,045,965.10-10,707,945.80

Finding the Fourth Proportional to 12,030,643.40, 18,045,965.10 and 10,707,945.80

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Solution

The fourth proportional to 12,030,643.40, 18,045,965.10 and 10,707,945.80 is: 16,061,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,643.40 : 18,045,965.10 = 10,707,945.80 : x
  2. Step 2: Convert to fraction form
    12,030,643.40/18,045,965.10 = 10,707,945.80/x
  3. Step 3: Cross multiply
    12,030,643.40x = 18,045,965.10 × 10,707,945.80
  4. Step 4: Simplify right side
    12,030,643.40x = 193,235,216,199,491.62
  5. Step 5: Solve for x
    x = 193,235,216,199,491.62/12,030,643.40
  6. Step 6: Final answer
    x = 16,061,918.70

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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.