Home / 20,065,053.66-27,688,847.40-11,363,288.58

Finding the Fourth Proportional to 20,065,053.66, 27,688,847.40 and 11,363,288.58

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Solution

The fourth proportional to 20,065,053.66, 27,688,847.40 and 11,363,288.58 is: 15,680,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,053.66 : 27,688,847.40 = 11,363,288.58 : x
  2. Step 2: Convert to fraction form
    20,065,053.66/27,688,847.40 = 11,363,288.58/x
  3. Step 3: Cross multiply
    20,065,053.66x = 27,688,847.40 × 11,363,288.58
  4. Step 4: Simplify right side
    20,065,053.66x = 314,636,363,453,782.69
  5. Step 5: Solve for x
    x = 314,636,363,453,782.69/20,065,053.66
  6. Step 6: Final answer
    x = 15,680,813.46

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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.