Home / 28,597,748.47-39,464,919.22-15,545,007

Finding the Fourth Proportional to 28,597,748.47, 39,464,919.22 and 15,545,007

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Solution

The fourth proportional to 28,597,748.47, 39,464,919.22 and 15,545,007 is: 21,452,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597,748.47 : 39,464,919.22 = 15,545,007 : x
  2. Step 2: Convert to fraction form
    28,597,748.47/39,464,919.22 = 15,545,007/x
  3. Step 3: Cross multiply
    28,597,748.47x = 39,464,919.22 × 15,545,007
  4. Step 4: Simplify right side
    28,597,748.47x = 613,482,445,529,334.50
  5. Step 5: Solve for x
    x = 613,482,445,529,334.50/28,597,748.47
  6. Step 6: Final answer
    x = 21,452,123.97

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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.