Home / 20,883,876.46-28,819,315.16-11,590,901.36

Finding the Fourth Proportional to 20,883,876.46, 28,819,315.16 and 11,590,901.36

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Solution

The fourth proportional to 20,883,876.46, 28,819,315.16 and 11,590,901.36 is: 15,995,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,876.46 : 28,819,315.16 = 11,590,901.36 : x
  2. Step 2: Convert to fraction form
    20,883,876.46/28,819,315.16 = 11,590,901.36/x
  3. Step 3: Cross multiply
    20,883,876.46x = 28,819,315.16 × 11,590,901.36
  4. Step 4: Simplify right side
    20,883,876.46x = 334,041,839,282,312.62
  5. Step 5: Solve for x
    x = 334,041,839,282,312.62/20,883,876.46
  6. Step 6: Final answer
    x = 15,995,202.80

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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.