Home / 9,217,752.58-12,720,429.84-5,087,782.90

Finding the Fourth Proportional to 9,217,752.58, 12,720,429.84 and 5,087,782.90

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Solution

The fourth proportional to 9,217,752.58, 12,720,429.84 and 5,087,782.90 is: 7,021,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,752.58 : 12,720,429.84 = 5,087,782.90 : x
  2. Step 2: Convert to fraction form
    9,217,752.58/12,720,429.84 = 5,087,782.90/x
  3. Step 3: Cross multiply
    9,217,752.58x = 12,720,429.84 × 5,087,782.90
  4. Step 4: Simplify right side
    9,217,752.58x = 64,718,785,420,601.74
  5. Step 5: Solve for x
    x = 64,718,785,420,601.74/9,217,752.58
  6. Step 6: Final answer
    x = 7,021,102.47

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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.