Home / 9,521,617.03-13,143,853.70-6,428,330.13

Finding the Fourth Proportional to 9,521,617.03, 13,143,853.70 and 6,428,330.13

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Solution

The fourth proportional to 9,521,617.03, 13,143,853.70 and 6,428,330.13 is: 8,873,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,617.03 : 13,143,853.70 = 6,428,330.13 : x
  2. Step 2: Convert to fraction form
    9,521,617.03/13,143,853.70 = 6,428,330.13/x
  3. Step 3: Cross multiply
    9,521,617.03x = 13,143,853.70 × 6,428,330.13
  4. Step 4: Simplify right side
    9,521,617.03x = 84,493,030,805,276.02
  5. Step 5: Solve for x
    x = 84,493,030,805,276.02/9,521,617.03
  6. Step 6: Final answer
    x = 8,873,811.09

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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.