Home / 13,051,988.70-19,577,983.05-11,120,430.30

Finding the Fourth Proportional to 13,051,988.70, 19,577,983.05 and 11,120,430.30

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Solution

The fourth proportional to 13,051,988.70, 19,577,983.05 and 11,120,430.30 is: 16,680,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,988.70 : 19,577,983.05 = 11,120,430.30 : x
  2. Step 2: Convert to fraction form
    13,051,988.70/19,577,983.05 = 11,120,430.30/x
  3. Step 3: Cross multiply
    13,051,988.70x = 19,577,983.05 × 11,120,430.30
  4. Step 4: Simplify right side
    13,051,988.70x = 217,715,595,922,106.44
  5. Step 5: Solve for x
    x = 217,715,595,922,106.44/13,051,988.70
  6. Step 6: Final answer
    x = 16,680,645.45

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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.