Home / 13,329,368.10-19,994,052.15-12,290,105.70

Finding the Fourth Proportional to 13,329,368.10, 19,994,052.15 and 12,290,105.70

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Solution

The fourth proportional to 13,329,368.10, 19,994,052.15 and 12,290,105.70 is: 18,435,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,368.10 : 19,994,052.15 = 12,290,105.70 : x
  2. Step 2: Convert to fraction form
    13,329,368.10/19,994,052.15 = 12,290,105.70/x
  3. Step 3: Cross multiply
    13,329,368.10x = 19,994,052.15 × 12,290,105.70
  4. Step 4: Simplify right side
    13,329,368.10x = 245,729,014,294,812.22
  5. Step 5: Solve for x
    x = 245,729,014,294,812.22/13,329,368.10
  6. Step 6: Final answer
    x = 18,435,158.55

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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.