Home / 28,835,808.10-39,793,269.81-15,604,975.42

Finding the Fourth Proportional to 28,835,808.10, 39,793,269.81 and 15,604,975.42

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Solution

The fourth proportional to 28,835,808.10, 39,793,269.81 and 15,604,975.42 is: 21,534,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835,808.10 : 39,793,269.81 = 15,604,975.42 : x
  2. Step 2: Convert to fraction form
    28,835,808.10/39,793,269.81 = 15,604,975.42/x
  3. Step 3: Cross multiply
    28,835,808.10x = 39,793,269.81 × 15,604,975.42
  4. Step 4: Simplify right side
    28,835,808.10x = 620,972,997,266,478.12
  5. Step 5: Solve for x
    x = 620,972,997,266,478.12/28,835,808.10
  6. Step 6: Final answer
    x = 21,534,787.41

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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.