Home / 28,203,018.24-42,305,530.14-9,031,284.30

Finding the Fourth Proportional to 28,203,018.24, 42,305,530.14 and 9,031,284.30

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Solution

The fourth proportional to 28,203,018.24, 42,305,530.14 and 9,031,284.30 is: 13,547,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203,018.24 : 42,305,530.14 = 9,031,284.30 : x
  2. Step 2: Convert to fraction form
    28,203,018.24/42,305,530.14 = 9,031,284.30/x
  3. Step 3: Cross multiply
    28,203,018.24x = 42,305,530.14 × 9,031,284.30
  4. Step 4: Simplify right side
    28,203,018.24x = 382,073,270,156,558.81
  5. Step 5: Solve for x
    x = 382,073,270,156,558.81/28,203,018.24
  6. Step 6: Final answer
    x = 13,547,247.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.