Home / 28,376,742.17-39,159,725.81-15,990,814.22

Finding the Fourth Proportional to 28,376,742.17, 39,159,725.81 and 15,990,814.22

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Solution

The fourth proportional to 28,376,742.17, 39,159,725.81 and 15,990,814.22 is: 22,067,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,742.17 : 39,159,725.81 = 15,990,814.22 : x
  2. Step 2: Convert to fraction form
    28,376,742.17/39,159,725.81 = 15,990,814.22/x
  3. Step 3: Cross multiply
    28,376,742.17x = 39,159,725.81 × 15,990,814.22
  4. Step 4: Simplify right side
    28,376,742.17x = 626,195,900,058,096.25
  5. Step 5: Solve for x
    x = 626,195,900,058,096.25/28,376,742.17
  6. Step 6: Final answer
    x = 22,067,223.09

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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.