Home / 23,022,856.82-31,771,643.88-12,709,664.66

Finding the Fourth Proportional to 23,022,856.82, 31,771,643.88 and 12,709,664.66

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Solution

The fourth proportional to 23,022,856.82, 31,771,643.88 and 12,709,664.66 is: 17,539,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,856.82 : 31,771,643.88 = 12,709,664.66 : x
  2. Step 2: Convert to fraction form
    23,022,856.82/31,771,643.88 = 12,709,664.66/x
  3. Step 3: Cross multiply
    23,022,856.82x = 31,771,643.88 × 12,709,664.66
  4. Step 4: Simplify right side
    23,022,856.82x = 403,806,939,411,741.25
  5. Step 5: Solve for x
    x = 403,806,939,411,741.25/23,022,856.82
  6. Step 6: Final answer
    x = 17,539,393.25

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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.