Home / 28,468,407.25-42,715,623.53-15,495,123.25

Finding the Fourth Proportional to 28,468,407.25, 42,715,623.53 and 15,495,123.25

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Solution

The fourth proportional to 28,468,407.25, 42,715,623.53 and 15,495,123.25 is: 23,249,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468,407.25 : 42,715,623.53 = 15,495,123.25 : x
  2. Step 2: Convert to fraction form
    28,468,407.25/42,715,623.53 = 15,495,123.25/x
  3. Step 3: Cross multiply
    28,468,407.25x = 42,715,623.53 × 15,495,123.25
  4. Step 4: Simplify right side
    28,468,407.25x = 661,883,851,297,950.12
  5. Step 5: Solve for x
    x = 661,883,851,297,950.12/28,468,407.25
  6. Step 6: Final answer
    x = 23,249,767.56

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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.