Home / 21,117,612.24-29,142,305.14-11,459,820.24

Finding the Fourth Proportional to 21,117,612.24, 29,142,305.14 and 11,459,820.24

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Solution

The fourth proportional to 21,117,612.24, 29,142,305.14 and 11,459,820.24 is: 15,814,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,612.24 : 29,142,305.14 = 11,459,820.24 : x
  2. Step 2: Convert to fraction form
    21,117,612.24/29,142,305.14 = 11,459,820.24/x
  3. Step 3: Cross multiply
    21,117,612.24x = 29,142,305.14 × 11,459,820.24
  4. Step 4: Simplify right side
    21,117,612.24x = 333,965,578,283,628.06
  5. Step 5: Solve for x
    x = 333,965,578,283,628.06/21,117,612.24
  6. Step 6: Final answer
    x = 15,814,552.07

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1.5x scale

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.