Home / 31,157,792.39-42,997,886.93-17,029,264.26

Finding the Fourth Proportional to 31,157,792.39, 42,997,886.93 and 17,029,264.26

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Solution

The fourth proportional to 31,157,792.39, 42,997,886.93 and 17,029,264.26 is: 23,500,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157,792.39 : 42,997,886.93 = 17,029,264.26 : x
  2. Step 2: Convert to fraction form
    31,157,792.39/42,997,886.93 = 17,029,264.26/x
  3. Step 3: Cross multiply
    31,157,792.39x = 42,997,886.93 × 17,029,264.26
  4. Step 4: Simplify right side
    31,157,792.39x = 732,222,379,067,423.88
  5. Step 5: Solve for x
    x = 732,222,379,067,423.88/31,157,792.39
  6. Step 6: Final answer
    x = 23,500,457.60

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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.