Home / 21,955,282.13-30,298,953.59-12,164,810.31

Finding the Fourth Proportional to 21,955,282.13, 30,298,953.59 and 12,164,810.31

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Solution

The fourth proportional to 21,955,282.13, 30,298,953.59 and 12,164,810.31 is: 16,787,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955,282.13 : 30,298,953.59 = 12,164,810.31 : x
  2. Step 2: Convert to fraction form
    21,955,282.13/30,298,953.59 = 12,164,810.31/x
  3. Step 3: Cross multiply
    21,955,282.13x = 30,298,953.59 × 12,164,810.31
  4. Step 4: Simplify right side
    21,955,282.13x = 368,581,022,998,637.50
  5. Step 5: Solve for x
    x = 368,581,022,998,637.50/21,955,282.13
  6. Step 6: Final answer
    x = 16,787,806.27

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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.