Home / 12,745,641.79-19,118,445.33-5,918,481.76

Finding the Fourth Proportional to 12,745,641.79, 19,118,445.33 and 5,918,481.76

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Solution

The fourth proportional to 12,745,641.79, 19,118,445.33 and 5,918,481.76 is: 8,877,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,641.79 : 19,118,445.33 = 5,918,481.76 : x
  2. Step 2: Convert to fraction form
    12,745,641.79/19,118,445.33 = 5,918,481.76/x
  3. Step 3: Cross multiply
    12,745,641.79x = 19,118,445.33 × 5,918,481.76
  4. Step 4: Simplify right side
    12,745,641.79x = 113,152,169,965,162.17
  5. Step 5: Solve for x
    x = 113,152,169,965,162.17/12,745,641.79
  6. Step 6: Final answer
    x = 8,877,714.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.