Home / 20,160,093.10-30,240,139.65-6,696,921.10

Finding the Fourth Proportional to 20,160,093.10, 30,240,139.65 and 6,696,921.10

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Solution

The fourth proportional to 20,160,093.10, 30,240,139.65 and 6,696,921.10 is: 10,045,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,093.10 : 30,240,139.65 = 6,696,921.10 : x
  2. Step 2: Convert to fraction form
    20,160,093.10/30,240,139.65 = 6,696,921.10/x
  3. Step 3: Cross multiply
    20,160,093.10x = 30,240,139.65 × 6,696,921.10
  4. Step 4: Simplify right side
    20,160,093.10x = 202,515,829,289,031.59
  5. Step 5: Solve for x
    x = 202,515,829,289,031.59/20,160,093.10
  6. Step 6: Final answer
    x = 10,045,381.65

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1.5x scale

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.