Home / 7,149,989.58-9,866,398.59-4,209,339.66

Finding the Fourth Proportional to 7,149,989.58, 9,866,398.59 and 4,209,339.66

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Solution

The fourth proportional to 7,149,989.58, 9,866,398.59 and 4,209,339.66 is: 5,808,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,989.58 : 9,866,398.59 = 4,209,339.66 : x
  2. Step 2: Convert to fraction form
    7,149,989.58/9,866,398.59 = 4,209,339.66/x
  3. Step 3: Cross multiply
    7,149,989.58x = 9,866,398.59 × 4,209,339.66
  4. Step 4: Simplify right side
    7,149,989.58x = 41,531,022,886,255.08
  5. Step 5: Solve for x
    x = 41,531,022,886,255.08/7,149,989.58
  6. Step 6: Final answer
    x = 5,808,543.13

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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.