Home / 21,913,578.28-30,250,423.65-13,096,140.22

Finding the Fourth Proportional to 21,913,578.28, 30,250,423.65 and 13,096,140.22

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Solution

The fourth proportional to 21,913,578.28, 30,250,423.65 and 13,096,140.22 is: 18,078,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,578.28 : 30,250,423.65 = 13,096,140.22 : x
  2. Step 2: Convert to fraction form
    21,913,578.28/30,250,423.65 = 13,096,140.22/x
  3. Step 3: Cross multiply
    21,913,578.28x = 30,250,423.65 × 13,096,140.22
  4. Step 4: Simplify right side
    21,913,578.28x = 396,163,789,834,804.19
  5. Step 5: Solve for x
    x = 396,163,789,834,804.19/21,913,578.28
  6. Step 6: Final answer
    x = 18,078,461.89

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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.