Home / 13,301,680.04-18,356,310.33-7,190,108.54

Finding the Fourth Proportional to 13,301,680.04, 18,356,310.33 and 7,190,108.54

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Solution

The fourth proportional to 13,301,680.04, 18,356,310.33 and 7,190,108.54 is: 9,922,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,680.04 : 18,356,310.33 = 7,190,108.54 : x
  2. Step 2: Convert to fraction form
    13,301,680.04/18,356,310.33 = 7,190,108.54/x
  3. Step 3: Cross multiply
    13,301,680.04x = 18,356,310.33 × 7,190,108.54
  4. Step 4: Simplify right side
    13,301,680.04x = 131,983,863,574,841.66
  5. Step 5: Solve for x
    x = 131,983,863,574,841.66/13,301,680.04
  6. Step 6: Final answer
    x = 9,922,345.39

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1.5x scale

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.