Home / 7,882,490.67-10,878,159.98-4,980,822.81

Finding the Fourth Proportional to 7,882,490.67, 10,878,159.98 and 4,980,822.81

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Solution

The fourth proportional to 7,882,490.67, 10,878,159.98 and 4,980,822.81 is: 6,873,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,490.67 : 10,878,159.98 = 4,980,822.81 : x
  2. Step 2: Convert to fraction form
    7,882,490.67/10,878,159.98 = 4,980,822.81/x
  3. Step 3: Cross multiply
    7,882,490.67x = 10,878,159.98 × 4,980,822.81
  4. Step 4: Simplify right side
    7,882,490.67x = 54,182,187,334,309.02
  5. Step 5: Solve for x
    x = 54,182,187,334,309.02/7,882,490.67
  6. Step 6: Final answer
    x = 6,873,739.48

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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.