Home / 28,547,552.37-39,394,566.83-15,494,533.08

Finding the Fourth Proportional to 28,547,552.37, 39,394,566.83 and 15,494,533.08

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Solution

The fourth proportional to 28,547,552.37, 39,394,566.83 and 15,494,533.08 is: 21,381,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,552.37 : 39,394,566.83 = 15,494,533.08 : x
  2. Step 2: Convert to fraction form
    28,547,552.37/39,394,566.83 = 15,494,533.08/x
  3. Step 3: Cross multiply
    28,547,552.37x = 39,394,566.83 × 15,494,533.08
  4. Step 4: Simplify right side
    28,547,552.37x = 610,400,418,945,150.12
  5. Step 5: Solve for x
    x = 610,400,418,945,150.12/28,547,552.37
  6. Step 6: Final answer
    x = 21,381,882.80

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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.