Home / 7,018,853.86-10,528,279.59-3,826,664.50

Finding the Fourth Proportional to 7,018,853.86, 10,528,279.59 and 3,826,664.50

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Solution

The fourth proportional to 7,018,853.86, 10,528,279.59 and 3,826,664.50 is: 5,739,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,853.86 : 10,528,279.59 = 3,826,664.50 : x
  2. Step 2: Convert to fraction form
    7,018,853.86/10,528,279.59 = 3,826,664.50/x
  3. Step 3: Cross multiply
    7,018,853.86x = 10,528,279.59 × 3,826,664.50
  4. Step 4: Simplify right side
    7,018,853.86x = 40,288,193,753,127.55
  5. Step 5: Solve for x
    x = 40,288,193,753,127.55/7,018,853.86
  6. Step 6: Final answer
    x = 5,739,996.10

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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.