Home / 14,939,547.86-20,616,622.58-8,661,298.88

Finding the Fourth Proportional to 14,939,547.86, 20,616,622.58 and 8,661,298.88

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Solution

The fourth proportional to 14,939,547.86, 20,616,622.58 and 8,661,298.88 is: 11,952,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,547.86 : 20,616,622.58 = 8,661,298.88 : x
  2. Step 2: Convert to fraction form
    14,939,547.86/20,616,622.58 = 8,661,298.88/x
  3. Step 3: Cross multiply
    14,939,547.86x = 20,616,622.58 × 8,661,298.88
  4. Step 4: Simplify right side
    14,939,547.86x = 178,566,730,061,536.72
  5. Step 5: Solve for x
    x = 178,566,730,061,536.72/14,939,547.86
  6. Step 6: Final answer
    x = 11,952,619.43

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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.