Home / 13,518,191.60-18,679,850.06-9,840,723.67

Finding the Fourth Proportional to 13,518,191.60, 18,679,850.06 and 9,840,723.67

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Solution

The fourth proportional to 13,518,191.60, 18,679,850.06 and 9,840,723.67 is: 13,598,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,191.60 : 18,679,850.06 = 9,840,723.67 : x
  2. Step 2: Convert to fraction form
    13,518,191.60/18,679,850.06 = 9,840,723.67/x
  3. Step 3: Cross multiply
    13,518,191.60x = 18,679,850.06 × 9,840,723.67
  4. Step 4: Simplify right side
    13,518,191.60x = 183,823,242,611,639.12
  5. Step 5: Solve for x
    x = 183,823,242,611,639.12/13,518,191.60
  6. Step 6: Final answer
    x = 13,598,212.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.