Home / 13,771,883.55-20,657,825.33-4,187,246.70

Finding the Fourth Proportional to 13,771,883.55, 20,657,825.33 and 4,187,246.70

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Solution

The fourth proportional to 13,771,883.55, 20,657,825.33 and 4,187,246.70 is: 6,280,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,883.55 : 20,657,825.33 = 4,187,246.70 : x
  2. Step 2: Convert to fraction form
    13,771,883.55/20,657,825.33 = 4,187,246.70/x
  3. Step 3: Cross multiply
    13,771,883.55x = 20,657,825.33 × 4,187,246.70
  4. Step 4: Simplify right side
    13,771,883.55x = 86,499,410,921,282.67
  5. Step 5: Solve for x
    x = 86,499,410,921,282.67/13,771,883.55
  6. Step 6: Final answer
    x = 6,280,870.05

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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.