Home / 28,592,666.40-42,878,617.20-15,648,383.64

Finding the Fourth Proportional to 28,592,666.40, 42,878,617.20 and 15,648,383.64

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Solution

The fourth proportional to 28,592,666.40, 42,878,617.20 and 15,648,383.64 is: 23,466,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592,666.40 : 42,878,617.20 = 15,648,383.64 : x
  2. Step 2: Convert to fraction form
    28,592,666.40/42,878,617.20 = 15,648,383.64/x
  3. Step 3: Cross multiply
    28,592,666.40x = 42,878,617.20 × 15,648,383.64
  4. Step 4: Simplify right side
    28,592,666.40x = 670,981,051,898,302.62
  5. Step 5: Solve for x
    x = 670,981,051,898,302.62/28,592,666.40
  6. Step 6: Final answer
    x = 23,466,893.31

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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.