Home / 13,994,430.40-20,991,645.60-8,006,599.36

Finding the Fourth Proportional to 13,994,430.40, 20,991,645.60 and 8,006,599.36

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Solution

The fourth proportional to 13,994,430.40, 20,991,645.60 and 8,006,599.36 is: 12,009,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,430.40 : 20,991,645.60 = 8,006,599.36 : x
  2. Step 2: Convert to fraction form
    13,994,430.40/20,991,645.60 = 8,006,599.36/x
  3. Step 3: Cross multiply
    13,994,430.40x = 20,991,645.60 × 8,006,599.36
  4. Step 4: Simplify right side
    13,994,430.40x = 168,071,696,226,306.84
  5. Step 5: Solve for x
    x = 168,071,696,226,306.84/13,994,430.40
  6. Step 6: Final answer
    x = 12,009,899.04

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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.