Home / 15,051,009.84-20,770,779.98-8,175,885.36

Finding the Fourth Proportional to 15,051,009.84, 20,770,779.98 and 8,175,885.36

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Solution

The fourth proportional to 15,051,009.84, 20,770,779.98 and 8,175,885.36 is: 11,282,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,009.84 : 20,770,779.98 = 8,175,885.36 : x
  2. Step 2: Convert to fraction form
    15,051,009.84/20,770,779.98 = 8,175,885.36/x
  3. Step 3: Cross multiply
    15,051,009.84x = 20,770,779.98 × 8,175,885.36
  4. Step 4: Simplify right side
    15,051,009.84x = 169,819,515,954,263.09
  5. Step 5: Solve for x
    x = 169,819,515,954,263.09/15,051,009.84
  6. Step 6: Final answer
    x = 11,282,931.69

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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.