Home / 20,334,733.16-28,051,555.37-12,984,838.52

Finding the Fourth Proportional to 20,334,733.16, 28,051,555.37 and 12,984,838.52

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Solution

The fourth proportional to 20,334,733.16, 28,051,555.37 and 12,984,838.52 is: 17,912,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,733.16 : 28,051,555.37 = 12,984,838.52 : x
  2. Step 2: Convert to fraction form
    20,334,733.16/28,051,555.37 = 12,984,838.52/x
  3. Step 3: Cross multiply
    20,334,733.16x = 28,051,555.37 × 12,984,838.52
  4. Step 4: Simplify right side
    20,334,733.16x = 364,244,916,509,106.88
  5. Step 5: Solve for x
    x = 364,244,916,509,106.88/20,334,733.16
  6. Step 6: Final answer
    x = 17,912,451.26

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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.