Home / 12,083,897.60-18,125,846.40-6,709,126.40

Finding the Fourth Proportional to 12,083,897.60, 18,125,846.40 and 6,709,126.40

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Solution

The fourth proportional to 12,083,897.60, 18,125,846.40 and 6,709,126.40 is: 10,063,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,897.60 : 18,125,846.40 = 6,709,126.40 : x
  2. Step 2: Convert to fraction form
    12,083,897.60/18,125,846.40 = 6,709,126.40/x
  3. Step 3: Cross multiply
    12,083,897.60x = 18,125,846.40 × 6,709,126.40
  4. Step 4: Simplify right side
    12,083,897.60x = 121,608,594,604,584.95
  5. Step 5: Solve for x
    x = 121,608,594,604,584.95/12,083,897.60
  6. Step 6: Final answer
    x = 10,063,689.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.