Home / 8,877,727.05-12,247,777.35-5,155,924.47

Finding the Fourth Proportional to 8,877,727.05, 12,247,777.35 and 5,155,924.47

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Solution

The fourth proportional to 8,877,727.05, 12,247,777.35 and 5,155,924.47 is: 7,113,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,727.05 : 12,247,777.35 = 5,155,924.47 : x
  2. Step 2: Convert to fraction form
    8,877,727.05/12,247,777.35 = 5,155,924.47/x
  3. Step 3: Cross multiply
    8,877,727.05x = 12,247,777.35 × 5,155,924.47
  4. Step 4: Simplify right side
    8,877,727.05x = 63,148,614,941,976.75
  5. Step 5: Solve for x
    x = 63,148,614,941,976.75/8,877,727.05
  6. Step 6: Final answer
    x = 7,113,151.21

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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.