Home / 28,636,910.15-42,959,399.56-9,199,618.23

Finding the Fourth Proportional to 28,636,910.15, 42,959,399.56 and 9,199,618.23

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Solution

The fourth proportional to 28,636,910.15, 42,959,399.56 and 9,199,618.23 is: 13,800,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636,910.15 : 42,959,399.56 = 9,199,618.23 : x
  2. Step 2: Convert to fraction form
    28,636,910.15/42,959,399.56 = 9,199,618.23/x
  3. Step 3: Cross multiply
    28,636,910.15x = 42,959,399.56 × 9,199,618.23
  4. Step 4: Simplify right side
    28,636,910.15x = 395,210,075,480,128.69
  5. Step 5: Solve for x
    x = 395,210,075,480,128.69/28,636,910.15
  6. Step 6: Final answer
    x = 13,800,723.38

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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.