Home / 7,139,362.61-10,713,298.85-2,590,766.30

Finding the Fourth Proportional to 7,139,362.61, 10,713,298.85 and 2,590,766.30

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Solution

The fourth proportional to 7,139,362.61, 10,713,298.85 and 2,590,766.30 is: 3,887,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,362.61 : 10,713,298.85 = 2,590,766.30 : x
  2. Step 2: Convert to fraction form
    7,139,362.61/10,713,298.85 = 2,590,766.30/x
  3. Step 3: Cross multiply
    7,139,362.61x = 10,713,298.85 × 2,590,766.30
  4. Step 4: Simplify right side
    7,139,362.61x = 27,755,653,555,888.43
  5. Step 5: Solve for x
    x = 27,755,653,555,888.43/7,139,362.61
  6. Step 6: Final answer
    x = 3,887,693.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.