Home / 13,781,100.42-20,670,076.02-3,684,508.74

Finding the Fourth Proportional to 13,781,100.42, 20,670,076.02 and 3,684,508.74

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Solution

The fourth proportional to 13,781,100.42, 20,670,076.02 and 3,684,508.74 is: 5,526,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,100.42 : 20,670,076.02 = 3,684,508.74 : x
  2. Step 2: Convert to fraction form
    13,781,100.42/20,670,076.02 = 3,684,508.74/x
  3. Step 3: Cross multiply
    13,781,100.42x = 20,670,076.02 × 3,684,508.74
  4. Step 4: Simplify right side
    13,781,100.42x = 76,159,075,752,154.42
  5. Step 5: Solve for x
    x = 76,159,075,752,154.42/13,781,100.42
  6. Step 6: Final answer
    x = 5,526,342.12

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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.