Home / 13,874,117.40-20,811,176.10-4,290,464.70

Finding the Fourth Proportional to 13,874,117.40, 20,811,176.10 and 4,290,464.70

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Solution

The fourth proportional to 13,874,117.40, 20,811,176.10 and 4,290,464.70 is: 6,435,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,117.40 : 20,811,176.10 = 4,290,464.70 : x
  2. Step 2: Convert to fraction form
    13,874,117.40/20,811,176.10 = 4,290,464.70/x
  3. Step 3: Cross multiply
    13,874,117.40x = 20,811,176.10 × 4,290,464.70
  4. Step 4: Simplify right side
    13,874,117.40x = 89,289,616,422,533.69
  5. Step 5: Solve for x
    x = 89,289,616,422,533.69/13,874,117.40
  6. Step 6: Final answer
    x = 6,435,697.05

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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.