Home / 15,501,665.05-21,390,907.33-8,975,734.96

Finding the Fourth Proportional to 15,501,665.05, 21,390,907.33 and 8,975,734.96

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Solution

The fourth proportional to 15,501,665.05, 21,390,907.33 and 8,975,734.96 is: 12,385,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,665.05 : 21,390,907.33 = 8,975,734.96 : x
  2. Step 2: Convert to fraction form
    15,501,665.05/21,390,907.33 = 8,975,734.96/x
  3. Step 3: Cross multiply
    15,501,665.05x = 21,390,907.33 × 8,975,734.96
  4. Step 4: Simplify right side
    15,501,665.05x = 191,999,114,695,358.41
  5. Step 5: Solve for x
    x = 191,999,114,695,358.41/15,501,665.05
  6. Step 6: Final answer
    x = 12,385,709.15

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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.