Home / 7,618,545.12-10,513,721.25-4,181,106

Finding the Fourth Proportional to 7,618,545.12, 10,513,721.25 and 4,181,106

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Solution

The fourth proportional to 7,618,545.12, 10,513,721.25 and 4,181,106 is: 5,769,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,545.12 : 10,513,721.25 = 4,181,106 : x
  2. Step 2: Convert to fraction form
    7,618,545.12/10,513,721.25 = 4,181,106/x
  3. Step 3: Cross multiply
    7,618,545.12x = 10,513,721.25 × 4,181,106
  4. Step 4: Simplify right side
    7,618,545.12x = 43,958,983,000,702.50
  5. Step 5: Solve for x
    x = 43,958,983,000,702.50/7,618,545.12
  6. Step 6: Final answer
    x = 5,769,997.07

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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.