Home / 21,956,784.48-30,300,542.04-12,167,392.20

Finding the Fourth Proportional to 21,956,784.48, 30,300,542.04 and 12,167,392.20

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Solution

The fourth proportional to 21,956,784.48, 30,300,542.04 and 12,167,392.20 is: 16,791,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,784.48 : 30,300,542.04 = 12,167,392.20 : x
  2. Step 2: Convert to fraction form
    21,956,784.48/30,300,542.04 = 12,167,392.20/x
  3. Step 3: Cross multiply
    21,956,784.48x = 30,300,542.04 × 12,167,392.20
  4. Step 4: Simplify right side
    21,956,784.48x = 368,678,578,873,268.06
  5. Step 5: Solve for x
    x = 368,678,578,873,268.06/21,956,784.48
  6. Step 6: Final answer
    x = 16,791,100.68

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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.