Home / 15,528,464.19-21,428,305.73-8,558,758.20

Finding the Fourth Proportional to 15,528,464.19, 21,428,305.73 and 8,558,758.20

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Solution

The fourth proportional to 15,528,464.19, 21,428,305.73 and 8,558,758.20 is: 11,810,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,464.19 : 21,428,305.73 = 8,558,758.20 : x
  2. Step 2: Convert to fraction form
    15,528,464.19/21,428,305.73 = 8,558,758.20/x
  3. Step 3: Cross multiply
    15,528,464.19x = 21,428,305.73 × 8,558,758.20
  4. Step 4: Simplify right side
    15,528,464.19x = 183,399,687,335,950.69
  5. Step 5: Solve for x
    x = 183,399,687,335,950.69/15,528,464.19
  6. Step 6: Final answer
    x = 11,810,549.01

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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.