Home / 12,807,126.36-17,661,856.68-10,202,290.44

Finding the Fourth Proportional to 12,807,126.36, 17,661,856.68 and 10,202,290.44

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Solution

The fourth proportional to 12,807,126.36, 17,661,856.68 and 10,202,290.44 is: 14,069,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,126.36 : 17,661,856.68 = 10,202,290.44 : x
  2. Step 2: Convert to fraction form
    12,807,126.36/17,661,856.68 = 10,202,290.44/x
  3. Step 3: Cross multiply
    12,807,126.36x = 17,661,856.68 × 10,202,290.44
  4. Step 4: Simplify right side
    12,807,126.36x = 180,191,391,559,014.12
  5. Step 5: Solve for x
    x = 180,191,391,559,014.12/12,807,126.36
  6. Step 6: Final answer
    x = 14,069,619.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.