Home / 9,278,513.02-12,803,732.58-5,148,282.28

Finding the Fourth Proportional to 9,278,513.02, 12,803,732.58 and 5,148,282.28

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Solution

The fourth proportional to 9,278,513.02, 12,803,732.58 and 5,148,282.28 is: 7,104,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,513.02 : 12,803,732.58 = 5,148,282.28 : x
  2. Step 2: Convert to fraction form
    9,278,513.02/12,803,732.58 = 5,148,282.28/x
  3. Step 3: Cross multiply
    9,278,513.02x = 12,803,732.58 × 5,148,282.28
  4. Step 4: Simplify right side
    9,278,513.02x = 65,917,229,559,472.69
  5. Step 5: Solve for x
    x = 65,917,229,559,472.69/9,278,513.02
  6. Step 6: Final answer
    x = 7,104,288.09

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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.