Home / 28,376,021.80-42,564,032.70-17,038,613.80

Finding the Fourth Proportional to 28,376,021.80, 42,564,032.70 and 17,038,613.80

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Solution

The fourth proportional to 28,376,021.80, 42,564,032.70 and 17,038,613.80 is: 25,557,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,021.80 : 42,564,032.70 = 17,038,613.80 : x
  2. Step 2: Convert to fraction form
    28,376,021.80/42,564,032.70 = 17,038,613.80/x
  3. Step 3: Cross multiply
    28,376,021.80x = 42,564,032.70 × 17,038,613.80
  4. Step 4: Simplify right side
    28,376,021.80x = 725,232,114,945,871.38
  5. Step 5: Solve for x
    x = 725,232,114,945,871.38/28,376,021.80
  6. Step 6: Final answer
    x = 25,557,920.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.