Home / 28,385,946.05-42,586,100.55-7,915,667.82

Finding the Fourth Proportional to 28,385,946.05, 42,586,100.55 and 7,915,667.82

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Solution

The fourth proportional to 28,385,946.05, 42,586,100.55 and 7,915,667.82 is: 11,875,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,946.05 : 42,586,100.55 = 7,915,667.82 : x
  2. Step 2: Convert to fraction form
    28,385,946.05/42,586,100.55 = 7,915,667.82/x
  3. Step 3: Cross multiply
    28,385,946.05x = 42,586,100.55 × 7,915,667.82
  4. Step 4: Simplify right side
    28,385,946.05x = 337,097,425,702,919.31
  5. Step 5: Solve for x
    x = 337,097,425,702,919.31/28,385,946.05
  6. Step 6: Final answer
    x = 11,875,504.35

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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.