Home / 13,681,859.61-20,523,314.31-6,108,890.97

Finding the Fourth Proportional to 13,681,859.61, 20,523,314.31 and 6,108,890.97

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Solution

The fourth proportional to 13,681,859.61, 20,523,314.31 and 6,108,890.97 is: 9,163,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,859.61 : 20,523,314.31 = 6,108,890.97 : x
  2. Step 2: Convert to fraction form
    13,681,859.61/20,523,314.31 = 6,108,890.97/x
  3. Step 3: Cross multiply
    13,681,859.61x = 20,523,314.31 × 6,108,890.97
  4. Step 4: Simplify right side
    13,681,859.61x = 125,374,689,462,830.77
  5. Step 5: Solve for x
    x = 125,374,689,462,830.77/13,681,859.61
  6. Step 6: Final answer
    x = 9,163,570.82

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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.