Home / 28,136,102.23-38,827,821.06-15,259,046.23

Finding the Fourth Proportional to 28,136,102.23, 38,827,821.06 and 15,259,046.23

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Solution

The fourth proportional to 28,136,102.23, 38,827,821.06 and 15,259,046.23 is: 21,057,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,102.23 : 38,827,821.06 = 15,259,046.23 : x
  2. Step 2: Convert to fraction form
    28,136,102.23/38,827,821.06 = 15,259,046.23/x
  3. Step 3: Cross multiply
    28,136,102.23x = 38,827,821.06 × 15,259,046.23
  4. Step 4: Simplify right side
    28,136,102.23x = 592,475,516,564,707.62
  5. Step 5: Solve for x
    x = 592,475,516,564,707.62/28,136,102.23
  6. Step 6: Final answer
    x = 21,057,483.79

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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.