Home / 31,157,792.64-42,997,887.27-17,029,264.51

Finding the Fourth Proportional to 31,157,792.64, 42,997,887.27 and 17,029,264.51

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Solution

The fourth proportional to 31,157,792.64, 42,997,887.27 and 17,029,264.51 is: 23,500,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157,792.64 : 42,997,887.27 = 17,029,264.51 : x
  2. Step 2: Convert to fraction form
    31,157,792.64/42,997,887.27 = 17,029,264.51/x
  3. Step 3: Cross multiply
    31,157,792.64x = 42,997,887.27 × 17,029,264.51
  4. Step 4: Simplify right side
    31,157,792.64x = 732,222,395,691,991.88
  5. Step 5: Solve for x
    x = 732,222,395,691,991.88/31,157,792.64
  6. Step 6: Final answer
    x = 23,500,457.95

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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.