Home / 7,385,101.61-10,191,953.79-4,122,553.23

Finding the Fourth Proportional to 7,385,101.61, 10,191,953.79 and 4,122,553.23

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Solution

The fourth proportional to 7,385,101.61, 10,191,953.79 and 4,122,553.23 is: 5,689,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385,101.61 : 10,191,953.79 = 4,122,553.23 : x
  2. Step 2: Convert to fraction form
    7,385,101.61/10,191,953.79 = 4,122,553.23/x
  3. Step 3: Cross multiply
    7,385,101.61x = 10,191,953.79 × 4,122,553.23
  4. Step 4: Simplify right side
    7,385,101.61x = 42,016,872,016,975.23
  5. Step 5: Solve for x
    x = 42,016,872,016,975.23/7,385,101.61
  6. Step 6: Final answer
    x = 5,689,410.15

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Double scale
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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.