Home / 21,152,718.68-29,180,008.01-13,814,847.07

Finding the Fourth Proportional to 21,152,718.68, 29,180,008.01 and 13,814,847.07

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Solution

The fourth proportional to 21,152,718.68, 29,180,008.01 and 13,814,847.07 is: 19,057,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,718.68 : 29,180,008.01 = 13,814,847.07 : x
  2. Step 2: Convert to fraction form
    21,152,718.68/29,180,008.01 = 13,814,847.07/x
  3. Step 3: Cross multiply
    21,152,718.68x = 29,180,008.01 × 13,814,847.07
  4. Step 4: Simplify right side
    21,152,718.68x = 403,117,348,121,112.12
  5. Step 5: Solve for x
    x = 403,117,348,121,112.12/21,152,718.68
  6. Step 6: Final answer
    x = 19,057,472.20

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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.