Home / 28,377,448.61-39,160,878.68-15,324,707.14

Finding the Fourth Proportional to 28,377,448.61, 39,160,878.68 and 15,324,707.14

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Solution

The fourth proportional to 28,377,448.61, 39,160,878.68 and 15,324,707.14 is: 21,148,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,448.61 : 39,160,878.68 = 15,324,707.14 : x
  2. Step 2: Convert to fraction form
    28,377,448.61/39,160,878.68 = 15,324,707.14/x
  3. Step 3: Cross multiply
    28,377,448.61x = 39,160,878.68 × 15,324,707.14
  4. Step 4: Simplify right side
    28,377,448.61x = 600,128,997,116,069.75
  5. Step 5: Solve for x
    x = 600,128,997,116,069.75/28,377,448.61
  6. Step 6: Final answer
    x = 21,148,095.64

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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.