Home / 7,893,420.95-11,840,131.88-1,909,788.95

Finding the Fourth Proportional to 7,893,420.95, 11,840,131.88 and 1,909,788.95

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Solution

The fourth proportional to 7,893,420.95, 11,840,131.88 and 1,909,788.95 is: 2,864,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,420.95 : 11,840,131.88 = 1,909,788.95 : x
  2. Step 2: Convert to fraction form
    7,893,420.95/11,840,131.88 = 1,909,788.95/x
  3. Step 3: Cross multiply
    7,893,420.95x = 11,840,131.88 × 1,909,788.95
  4. Step 4: Simplify right side
    7,893,420.95x = 22,612,152,962,217.12
  5. Step 5: Solve for x
    x = 22,612,152,962,217.12/7,893,420.95
  6. Step 6: Final answer
    x = 2,864,683.53

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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.