Home / 13,822,152.39-19,074,975.69-7,543,085.15

Finding the Fourth Proportional to 13,822,152.39, 19,074,975.69 and 7,543,085.15

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Solution

The fourth proportional to 13,822,152.39, 19,074,975.69 and 7,543,085.15 is: 10,409,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822,152.39 : 19,074,975.69 = 7,543,085.15 : x
  2. Step 2: Convert to fraction form
    13,822,152.39/19,074,975.69 = 7,543,085.15/x
  3. Step 3: Cross multiply
    13,822,152.39x = 19,074,975.69 × 7,543,085.15
  4. Step 4: Simplify right side
    13,822,152.39x = 143,884,165,768,475.12
  5. Step 5: Solve for x
    x = 143,884,165,768,475.12/13,822,152.39
  6. Step 6: Final answer
    x = 10,409,678.73

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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.