Home / 9,758,221.08-13,465,981.26-5,628,421.50

Finding the Fourth Proportional to 9,758,221.08, 13,465,981.26 and 5,628,421.50

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Solution

The fourth proportional to 9,758,221.08, 13,465,981.26 and 5,628,421.50 is: 7,767,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758,221.08 : 13,465,981.26 = 5,628,421.50 : x
  2. Step 2: Convert to fraction form
    9,758,221.08/13,465,981.26 = 5,628,421.50/x
  3. Step 3: Cross multiply
    9,758,221.08x = 13,465,981.26 × 5,628,421.50
  4. Step 4: Simplify right side
    9,758,221.08x = 75,792,218,442,381.09
  5. Step 5: Solve for x
    x = 75,792,218,442,381.09/9,758,221.08
  6. Step 6: Final answer
    x = 7,767,011.82

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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.