Home / 15,528,464.93-21,428,306.75-8,558,758.96

Finding the Fourth Proportional to 15,528,464.93, 21,428,306.75 and 8,558,758.96

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Solution

The fourth proportional to 15,528,464.93, 21,428,306.75 and 8,558,758.96 is: 11,810,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,464.93 : 21,428,306.75 = 8,558,758.96 : x
  2. Step 2: Convert to fraction form
    15,528,464.93/21,428,306.75 = 8,558,758.96/x
  3. Step 3: Cross multiply
    15,528,464.93x = 21,428,306.75 × 8,558,758.96
  4. Step 4: Simplify right side
    15,528,464.93x = 183,399,712,362,017.12
  5. Step 5: Solve for x
    x = 183,399,712,362,017.12/15,528,464.93
  6. Step 6: Final answer
    x = 11,810,550.05

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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.