Home / 11,827,478.78-16,321,825.80-6,866,380.45

Finding the Fourth Proportional to 11,827,478.78, 16,321,825.80 and 6,866,380.45

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Solution

The fourth proportional to 11,827,478.78, 16,321,825.80 and 6,866,380.45 is: 9,475,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827,478.78 : 16,321,825.80 = 6,866,380.45 : x
  2. Step 2: Convert to fraction form
    11,827,478.78/16,321,825.80 = 6,866,380.45/x
  3. Step 3: Cross multiply
    11,827,478.78x = 16,321,825.80 × 6,866,380.45
  4. Step 4: Simplify right side
    11,827,478.78x = 112,071,865,628,417.91
  5. Step 5: Solve for x
    x = 112,071,865,628,417.91/11,827,478.78
  6. Step 6: Final answer
    x = 9,475,549.92

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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.