Home / 18,590,898.44-25,658,483.88-15,488,502.32

Finding the Fourth Proportional to 18,590,898.44, 25,658,483.88 and 15,488,502.32

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Solution

The fourth proportional to 18,590,898.44, 25,658,483.88 and 15,488,502.32 is: 21,376,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,898.44 : 25,658,483.88 = 15,488,502.32 : x
  2. Step 2: Convert to fraction form
    18,590,898.44/25,658,483.88 = 15,488,502.32/x
  3. Step 3: Cross multiply
    18,590,898.44x = 25,658,483.88 × 15,488,502.32
  4. Step 4: Simplify right side
    18,590,898.44x = 397,411,487,103,062.56
  5. Step 5: Solve for x
    x = 397,411,487,103,062.56/18,590,898.44
  6. Step 6: Final answer
    x = 21,376,669.25

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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.