Home / 13,720,671.69-20,575,776.05-4,620,325.95

Finding the Fourth Proportional to 13,720,671.69, 20,575,776.05 and 4,620,325.95

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Solution

The fourth proportional to 13,720,671.69, 20,575,776.05 and 4,620,325.95 is: 6,928,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,671.69 : 20,575,776.05 = 4,620,325.95 : x
  2. Step 2: Convert to fraction form
    13,720,671.69/20,575,776.05 = 4,620,325.95/x
  3. Step 3: Cross multiply
    13,720,671.69x = 20,575,776.05 × 4,620,325.95
  4. Step 4: Simplify right side
    13,720,671.69x = 95,066,791,922,324.62
  5. Step 5: Solve for x
    x = 95,066,791,922,324.62/13,720,671.69
  6. Step 6: Final answer
    x = 6,928,727.26

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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.