Home / 23,018,670.63-31,765,768.11-12,705,396.39

Finding the Fourth Proportional to 23,018,670.63, 31,765,768.11 and 12,705,396.39

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Solution

The fourth proportional to 23,018,670.63, 31,765,768.11 and 12,705,396.39 is: 17,533,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018,670.63 : 31,765,768.11 = 12,705,396.39 : x
  2. Step 2: Convert to fraction form
    23,018,670.63/31,765,768.11 = 12,705,396.39/x
  3. Step 3: Cross multiply
    23,018,670.63x = 31,765,768.11 × 12,705,396.39
  4. Step 4: Simplify right side
    23,018,670.63x = 403,596,675,470,371.12
  5. Step 5: Solve for x
    x = 403,596,675,470,371.12/23,018,670.63
  6. Step 6: Final answer
    x = 17,533,448.48

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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.