Home / 13,148,416.60-19,709,211.30-8,889,015.40

Finding the Fourth Proportional to 13,148,416.60, 19,709,211.30 and 8,889,015.40

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Solution

The fourth proportional to 13,148,416.60, 19,709,211.30 and 8,889,015.40 is: 13,324,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,416.60 : 19,709,211.30 = 8,889,015.40 : x
  2. Step 2: Convert to fraction form
    13,148,416.60/19,709,211.30 = 8,889,015.40/x
  3. Step 3: Cross multiply
    13,148,416.60x = 19,709,211.30 × 8,889,015.40
  4. Step 4: Simplify right side
    13,148,416.60x = 175,195,482,767,554.03
  5. Step 5: Solve for x
    x = 175,195,482,767,554.03/13,148,416.60
  6. Step 6: Final answer
    x = 13,324,454.81

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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.