Home / 12,710,824.65-17,540,813.40-6,909,261.21

Finding the Fourth Proportional to 12,710,824.65, 17,540,813.40 and 6,909,261.21

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Solution

The fourth proportional to 12,710,824.65, 17,540,813.40 and 6,909,261.21 is: 9,534,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,824.65 : 17,540,813.40 = 6,909,261.21 : x
  2. Step 2: Convert to fraction form
    12,710,824.65/17,540,813.40 = 6,909,261.21/x
  3. Step 3: Cross multiply
    12,710,824.65x = 17,540,813.40 × 6,909,261.21
  4. Step 4: Simplify right side
    12,710,824.65x = 121,194,061,616,468.20
  5. Step 5: Solve for x
    x = 121,194,061,616,468.20/12,710,824.65
  6. Step 6: Final answer
    x = 9,534,712.73

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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.