Home / 21,824,132.89-30,118,030.46-11,901,558.41

Finding the Fourth Proportional to 21,824,132.89, 30,118,030.46 and 11,901,558.41

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Solution

The fourth proportional to 21,824,132.89, 30,118,030.46 and 11,901,558.41 is: 16,424,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824,132.89 : 30,118,030.46 = 11,901,558.41 : x
  2. Step 2: Convert to fraction form
    21,824,132.89/30,118,030.46 = 11,901,558.41/x
  3. Step 3: Cross multiply
    21,824,132.89x = 30,118,030.46 × 11,901,558.41
  4. Step 4: Simplify right side
    21,824,132.89x = 358,451,498,652,445.94
  5. Step 5: Solve for x
    x = 358,451,498,652,445.94/21,824,132.89
  6. Step 6: Final answer
    x = 16,424,547.10

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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.