Home / 28,924,662.33-39,915,924.48-15,872,139.63

Finding the Fourth Proportional to 28,924,662.33, 39,915,924.48 and 15,872,139.63

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Solution

The fourth proportional to 28,924,662.33, 39,915,924.48 and 15,872,139.63 is: 21,903,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924,662.33 : 39,915,924.48 = 15,872,139.63 : x
  2. Step 2: Convert to fraction form
    28,924,662.33/39,915,924.48 = 15,872,139.63/x
  3. Step 3: Cross multiply
    28,924,662.33x = 39,915,924.48 × 15,872,139.63
  4. Step 4: Simplify right side
    28,924,662.33x = 633,551,126,807,095.12
  5. Step 5: Solve for x
    x = 633,551,126,807,095.12/28,924,662.33
  6. Step 6: Final answer
    x = 21,903,492.58

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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.