Home / 10,878,270.40-16,322,654.40-7,676,502.40

Finding the Fourth Proportional to 10,878,270.40, 16,322,654.40 and 7,676,502.40

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Solution

The fourth proportional to 10,878,270.40, 16,322,654.40 and 7,676,502.40 is: 11,518,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,270.40 : 16,322,654.40 = 7,676,502.40 : x
  2. Step 2: Convert to fraction form
    10,878,270.40/16,322,654.40 = 7,676,502.40/x
  3. Step 3: Cross multiply
    10,878,270.40x = 16,322,654.40 × 7,676,502.40
  4. Step 4: Simplify right side
    10,878,270.40x = 125,300,895,675,970.56
  5. Step 5: Solve for x
    x = 125,300,895,675,970.56/10,878,270.40
  6. Step 6: Final answer
    x = 11,518,457.54

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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.