Home / 21,956,743.89-30,300,485.90-12,167,351.52

Finding the Fourth Proportional to 21,956,743.89, 30,300,485.90 and 12,167,351.52

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Solution

The fourth proportional to 21,956,743.89, 30,300,485.90 and 12,167,351.52 is: 16,791,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,743.89 : 30,300,485.90 = 12,167,351.52 : x
  2. Step 2: Convert to fraction form
    21,956,743.89/30,300,485.90 = 12,167,351.52/x
  3. Step 3: Cross multiply
    21,956,743.89x = 30,300,485.90 × 12,167,351.52
  4. Step 4: Simplify right side
    21,956,743.89x = 368,676,663,111,266.81
  5. Step 5: Solve for x
    x = 368,676,663,111,266.81/21,956,743.89
  6. Step 6: Final answer
    x = 16,791,044.47

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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.