Home / 7,478,403.14-10,320,924.94-4,423,601.54

Finding the Fourth Proportional to 7,478,403.14, 10,320,924.94 and 4,423,601.54

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Solution

The fourth proportional to 7,478,403.14, 10,320,924.94 and 4,423,601.54 is: 6,105,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,403.14 : 10,320,924.94 = 4,423,601.54 : x
  2. Step 2: Convert to fraction form
    7,478,403.14/10,320,924.94 = 4,423,601.54/x
  3. Step 3: Cross multiply
    7,478,403.14x = 10,320,924.94 × 4,423,601.54
  4. Step 4: Simplify right side
    7,478,403.14x = 45,655,659,458,808.41
  5. Step 5: Solve for x
    x = 45,655,659,458,808.41/7,478,403.14
  6. Step 6: Final answer
    x = 6,105,001.11

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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.