Home / 11,878,657.31-16,392,547.22-6,446,149.31

Finding the Fourth Proportional to 11,878,657.31, 16,392,547.22 and 6,446,149.31

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Solution

The fourth proportional to 11,878,657.31, 16,392,547.22 and 6,446,149.31 is: 8,895,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,657.31 : 16,392,547.22 = 6,446,149.31 : x
  2. Step 2: Convert to fraction form
    11,878,657.31/16,392,547.22 = 6,446,149.31/x
  3. Step 3: Cross multiply
    11,878,657.31x = 16,392,547.22 × 6,446,149.31
  4. Step 4: Simplify right side
    11,878,657.31x = 105,668,806,951,345.42
  5. Step 5: Solve for x
    x = 105,668,806,951,345.42/11,878,657.31
  6. Step 6: Final answer
    x = 8,895,686.12

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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.