Home / 21,117,606.48-29,142,297.18-11,459,814.48

Finding the Fourth Proportional to 21,117,606.48, 29,142,297.18 and 11,459,814.48

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Solution

The fourth proportional to 21,117,606.48, 29,142,297.18 and 11,459,814.48 is: 15,814,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,606.48 : 29,142,297.18 = 11,459,814.48 : x
  2. Step 2: Convert to fraction form
    21,117,606.48/29,142,297.18 = 11,459,814.48/x
  3. Step 3: Cross multiply
    21,117,606.48x = 29,142,297.18 × 11,459,814.48
  4. Step 4: Simplify right side
    21,117,606.48x = 333,965,319,203,827.19
  5. Step 5: Solve for x
    x = 333,965,319,203,827.19/21,117,606.48
  6. Step 6: Final answer
    x = 15,814,544.11

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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.