Home / 15,684,299.52-21,641,985.37-8,807,452.98

Finding the Fourth Proportional to 15,684,299.52, 21,641,985.37 and 8,807,452.98

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Solution

The fourth proportional to 15,684,299.52, 21,641,985.37 and 8,807,452.98 is: 12,152,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,299.52 : 21,641,985.37 = 8,807,452.98 : x
  2. Step 2: Convert to fraction form
    15,684,299.52/21,641,985.37 = 8,807,452.98/x
  3. Step 3: Cross multiply
    15,684,299.52x = 21,641,985.37 × 8,807,452.98
  4. Step 4: Simplify right side
    15,684,299.52x = 190,610,768,540,122.91
  5. Step 5: Solve for x
    x = 190,610,768,540,122.91/15,684,299.52
  6. Step 6: Final answer
    x = 12,152,966.62

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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.