Home / 34,085,036.52-47,038,511.12-20,158,329.87

Finding the Fourth Proportional to 34,085,036.52, 47,038,511.12 and 20,158,329.87

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Solution

The fourth proportional to 34,085,036.52, 47,038,511.12 and 20,158,329.87 is: 27,819,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,036.52 : 47,038,511.12 = 20,158,329.87 : x
  2. Step 2: Convert to fraction form
    34,085,036.52/47,038,511.12 = 20,158,329.87/x
  3. Step 3: Cross multiply
    34,085,036.52x = 47,038,511.12 × 20,158,329.87
  4. Step 4: Simplify right side
    34,085,036.52x = 948,217,823,750,623.12
  5. Step 5: Solve for x
    x = 948,217,823,750,623.12/34,085,036.52
  6. Step 6: Final answer
    x = 27,819,181.69

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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.