Home / 15,583,299.86-21,504,541.28-8,707,838.42

Finding the Fourth Proportional to 15,583,299.86, 21,504,541.28 and 8,707,838.42

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Solution

The fourth proportional to 15,583,299.86, 21,504,541.28 and 8,707,838.42 is: 12,016,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,299.86 : 21,504,541.28 = 8,707,838.42 : x
  2. Step 2: Convert to fraction form
    15,583,299.86/21,504,541.28 = 8,707,838.42/x
  3. Step 3: Cross multiply
    15,583,299.86x = 21,504,541.28 × 8,707,838.42
  4. Step 4: Simplify right side
    15,583,299.86x = 187,258,070,762,460
  5. Step 5: Solve for x
    x = 187,258,070,762,460/15,583,299.86
  6. Step 6: Final answer
    x = 12,016,586.50

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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.