Home / 21,220,095.88-29,283,732.59-11,562,303.88

Finding the Fourth Proportional to 21,220,095.88, 29,283,732.59 and 11,562,303.88

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Solution

The fourth proportional to 21,220,095.88, 29,283,732.59 and 11,562,303.88 is: 15,955,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,095.88 : 29,283,732.59 = 11,562,303.88 : x
  2. Step 2: Convert to fraction form
    21,220,095.88/29,283,732.59 = 11,562,303.88/x
  3. Step 3: Cross multiply
    21,220,095.88x = 29,283,732.59 × 11,562,303.88
  4. Step 4: Simplify right side
    21,220,095.88x = 338,587,414,946,239.50
  5. Step 5: Solve for x
    x = 338,587,414,946,239.50/21,220,095.88
  6. Step 6: Final answer
    x = 15,955,979.50

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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.