Home / 7,163,542.08-9,886,385.52-5,349,556.80

Finding the Fourth Proportional to 7,163,542.08, 9,886,385.52 and 5,349,556.80

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Solution

The fourth proportional to 7,163,542.08, 9,886,385.52 and 5,349,556.80 is: 7,382,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,542.08 : 9,886,385.52 = 5,349,556.80 : x
  2. Step 2: Convert to fraction form
    7,163,542.08/9,886,385.52 = 5,349,556.80/x
  3. Step 3: Cross multiply
    7,163,542.08x = 9,886,385.52 × 5,349,556.80
  4. Step 4: Simplify right side
    7,163,542.08x = 52,887,780,885,937.53
  5. Step 5: Solve for x
    x = 52,887,780,885,937.53/7,163,542.08
  6. Step 6: Final answer
    x = 7,382,909.22

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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.