Home / 31,579,913.04-43,587,478.80-20,547,198.96

Finding the Fourth Proportional to 31,579,913.04, 43,587,478.80 and 20,547,198.96

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Solution

The fourth proportional to 31,579,913.04, 43,587,478.80 and 20,547,198.96 is: 28,359,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579,913.04 : 43,587,478.80 = 20,547,198.96 : x
  2. Step 2: Convert to fraction form
    31,579,913.04/43,587,478.80 = 20,547,198.96/x
  3. Step 3: Cross multiply
    31,579,913.04x = 43,587,478.80 × 20,547,198.96
  4. Step 4: Simplify right side
    31,579,913.04x = 895,600,599,068,382
  5. Step 5: Solve for x
    x = 895,600,599,068,382/31,579,913.04
  6. Step 6: Final answer
    x = 28,359,818.41

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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.