Home / 21,748,645.22-30,012,102.86-11,959,502.00

Finding the Fourth Proportional to 21,748,645.22, 30,012,102.86 and 11,959,502.00

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Solution

The fourth proportional to 21,748,645.22, 30,012,102.86 and 11,959,502.00 is: 16,503,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,645.22 : 30,012,102.86 = 11,959,502.00 : x
  2. Step 2: Convert to fraction form
    21,748,645.22/30,012,102.86 = 11,959,502.00/x
  3. Step 3: Cross multiply
    21,748,645.22x = 30,012,102.86 × 11,959,502.00
  4. Step 4: Simplify right side
    21,748,645.22x = 358,929,803,968,517.69
  5. Step 5: Solve for x
    x = 358,929,803,968,517.69/21,748,645.22
  6. Step 6: Final answer
    x = 16,503,547.71

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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.