Home / 19,980,465.90-27,573,042.62-10,813,108.65

Finding the Fourth Proportional to 19,980,465.90, 27,573,042.62 and 10,813,108.65

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Solution

The fourth proportional to 19,980,465.90, 27,573,042.62 and 10,813,108.65 is: 14,922,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,465.90 : 27,573,042.62 = 10,813,108.65 : x
  2. Step 2: Convert to fraction form
    19,980,465.90/27,573,042.62 = 10,813,108.65/x
  3. Step 3: Cross multiply
    19,980,465.90x = 27,573,042.62 × 10,813,108.65
  4. Step 4: Simplify right side
    19,980,465.90x = 298,150,305,607,075.12
  5. Step 5: Solve for x
    x = 298,150,305,607,075.12/19,980,465.90
  6. Step 6: Final answer
    x = 14,922,089.76

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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.