Home / 20,160,053.10-30,240,079.65-6,696,881.10

Finding the Fourth Proportional to 20,160,053.10, 30,240,079.65 and 6,696,881.10

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Solution

The fourth proportional to 20,160,053.10, 30,240,079.65 and 6,696,881.10 is: 10,045,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,053.10 : 30,240,079.65 = 6,696,881.10 : x
  2. Step 2: Convert to fraction form
    20,160,053.10/30,240,079.65 = 6,696,881.10/x
  3. Step 3: Cross multiply
    20,160,053.10x = 30,240,079.65 × 6,696,881.10
  4. Step 4: Simplify right side
    20,160,053.10x = 202,514,217,870,579.59
  5. Step 5: Solve for x
    x = 202,514,217,870,579.59/20,160,053.10
  6. Step 6: Final answer
    x = 10,045,321.65

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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.