Home / 23,018,805.77-31,765,954.69-12,705,531.60

Finding the Fourth Proportional to 23,018,805.77, 31,765,954.69 and 12,705,531.60

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Solution

The fourth proportional to 23,018,805.77, 31,765,954.69 and 12,705,531.60 is: 17,533,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018,805.77 : 31,765,954.69 = 12,705,531.60 : x
  2. Step 2: Convert to fraction form
    23,018,805.77/31,765,954.69 = 12,705,531.60/x
  3. Step 3: Cross multiply
    23,018,805.77x = 31,765,954.69 × 12,705,531.60
  4. Step 4: Simplify right side
    23,018,805.77x = 403,603,341,117,963.19
  5. Step 5: Solve for x
    x = 403,603,341,117,963.19/23,018,805.77
  6. Step 6: Final answer
    x = 17,533,635.11

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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.