Home / 12,602,816.40-18,856,985.40-8,351,288.40

Finding the Fourth Proportional to 12,602,816.40, 18,856,985.40 and 8,351,288.40

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Solution

The fourth proportional to 12,602,816.40, 18,856,985.40 and 8,351,288.40 is: 12,495,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,816.40 : 18,856,985.40 = 8,351,288.40 : x
  2. Step 2: Convert to fraction form
    12,602,816.40/18,856,985.40 = 8,351,288.40/x
  3. Step 3: Cross multiply
    12,602,816.40x = 18,856,985.40 × 8,351,288.40
  4. Step 4: Simplify right side
    12,602,816.40x = 157,480,123,429,989.34
  5. Step 5: Solve for x
    x = 157,480,123,429,989.34/12,602,816.40
  6. Step 6: Final answer
    x = 12,495,629.42

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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.