Home / 10,989,590.02-15,163,205.69-6,342,387.57

Finding the Fourth Proportional to 10,989,590.02, 15,163,205.69 and 6,342,387.57

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Solution

The fourth proportional to 10,989,590.02, 15,163,205.69 and 6,342,387.57 is: 8,751,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,590.02 : 15,163,205.69 = 6,342,387.57 : x
  2. Step 2: Convert to fraction form
    10,989,590.02/15,163,205.69 = 6,342,387.57/x
  3. Step 3: Cross multiply
    10,989,590.02x = 15,163,205.69 × 6,342,387.57
  4. Step 4: Simplify right side
    10,989,590.02x = 96,170,927,305,465.25
  5. Step 5: Solve for x
    x = 96,170,927,305,465.25/10,989,590.02
  6. Step 6: Final answer
    x = 8,751,093.28

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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.