Home / 12,400,823.48-17,112,167.12-6,893,862.98

Finding the Fourth Proportional to 12,400,823.48, 17,112,167.12 and 6,893,862.98

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Solution

The fourth proportional to 12,400,823.48, 17,112,167.12 and 6,893,862.98 is: 9,512,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,823.48 : 17,112,167.12 = 6,893,862.98 : x
  2. Step 2: Convert to fraction form
    12,400,823.48/17,112,167.12 = 6,893,862.98/x
  3. Step 3: Cross multiply
    12,400,823.48x = 17,112,167.12 × 6,893,862.98
  4. Step 4: Simplify right side
    12,400,823.48x = 117,968,935,347,815.03
  5. Step 5: Solve for x
    x = 117,968,935,347,815.03/12,400,823.48
  6. Step 6: Final answer
    x = 9,512,992.07

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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.