Home / 13,303,416.20-19,960,373.10-5,215,015.40

Finding the Fourth Proportional to 13,303,416.20, 19,960,373.10 and 5,215,015.40

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Solution

The fourth proportional to 13,303,416.20, 19,960,373.10 and 5,215,015.40 is: 7,824,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,416.20 : 19,960,373.10 = 5,215,015.40 : x
  2. Step 2: Convert to fraction form
    13,303,416.20/19,960,373.10 = 5,215,015.40/x
  3. Step 3: Cross multiply
    13,303,416.20x = 19,960,373.10 × 5,215,015.40
  4. Step 4: Simplify right side
    13,303,416.20x = 104,093,653,106,245.75
  5. Step 5: Solve for x
    x = 104,093,653,106,245.75/13,303,416.20
  6. Step 6: Final answer
    x = 7,824,580.66

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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.