Home / 28,136,101.74-38,827,820.38-15,259,045.74

Finding the Fourth Proportional to 28,136,101.74, 38,827,820.38 and 15,259,045.74

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Solution

The fourth proportional to 28,136,101.74, 38,827,820.38 and 15,259,045.74 is: 21,057,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,101.74 : 38,827,820.38 = 15,259,045.74 : x
  2. Step 2: Convert to fraction form
    28,136,101.74/38,827,820.38 = 15,259,045.74/x
  3. Step 3: Cross multiply
    28,136,101.74x = 38,827,820.38 × 15,259,045.74
  4. Step 4: Simplify right side
    28,136,101.74x = 592,475,487,162,924.25
  5. Step 5: Solve for x
    x = 592,475,487,162,924.25/28,136,101.74
  6. Step 6: Final answer
    x = 21,057,483.11

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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.