Home / 19,175,091.40-28,715,397.90-12,750,560.20

Finding the Fourth Proportional to 19,175,091.40, 28,715,397.90 and 12,750,560.20

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Solution

The fourth proportional to 19,175,091.40, 28,715,397.90 and 12,750,560.20 is: 19,094,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175,091.40 : 28,715,397.90 = 12,750,560.20 : x
  2. Step 2: Convert to fraction form
    19,175,091.40/28,715,397.90 = 12,750,560.20/x
  3. Step 3: Cross multiply
    19,175,091.40x = 28,715,397.90 × 12,750,560.20
  4. Step 4: Simplify right side
    19,175,091.40x = 366,137,409,590,903.56
  5. Step 5: Solve for x
    x = 366,137,409,590,903.56/19,175,091.40
  6. Step 6: Final answer
    x = 19,094,428.39

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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.