Home / 7,212,781.20-10,816,681.02-2,093,823.36

Finding the Fourth Proportional to 7,212,781.20, 10,816,681.02 and 2,093,823.36

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Solution

The fourth proportional to 7,212,781.20, 10,816,681.02 and 2,093,823.36 is: 3,140,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,781.20 : 10,816,681.02 = 2,093,823.36 : x
  2. Step 2: Convert to fraction form
    7,212,781.20/10,816,681.02 = 2,093,823.36/x
  3. Step 3: Cross multiply
    7,212,781.20x = 10,816,681.02 × 2,093,823.36
  4. Step 4: Simplify right side
    7,212,781.20x = 22,648,219,397,344.63
  5. Step 5: Solve for x
    x = 22,648,219,397,344.63/7,212,781.20
  6. Step 6: Final answer
    x = 3,140,011.98

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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.