Home / 17,918,588.40-26,877,979.80-4,455,416.40

Finding the Fourth Proportional to 17,918,588.40, 26,877,979.80 and 4,455,416.40

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Solution

The fourth proportional to 17,918,588.40, 26,877,979.80 and 4,455,416.40 is: 6,683,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918,588.40 : 26,877,979.80 = 4,455,416.40 : x
  2. Step 2: Convert to fraction form
    17,918,588.40/26,877,979.80 = 4,455,416.40/x
  3. Step 3: Cross multiply
    17,918,588.40x = 26,877,979.80 × 4,455,416.40
  4. Step 4: Simplify right side
    17,918,588.40x = 119,752,591,999,788.73
  5. Step 5: Solve for x
    x = 119,752,591,999,788.73/17,918,588.40
  6. Step 6: Final answer
    x = 6,683,148.77

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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.