Home / 30,885,461.76-42,609,162.96-17,823,453.60

Finding the Fourth Proportional to 30,885,461.76, 42,609,162.96 and 17,823,453.60

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Solution

The fourth proportional to 30,885,461.76, 42,609,162.96 and 17,823,453.60 is: 24,588,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,461.76 : 42,609,162.96 = 17,823,453.60 : x
  2. Step 2: Convert to fraction form
    30,885,461.76/42,609,162.96 = 17,823,453.60/x
  3. Step 3: Cross multiply
    30,885,461.76x = 42,609,162.96 × 17,823,453.60
  4. Step 4: Simplify right side
    30,885,461.76x = 759,442,438,952,398.75
  5. Step 5: Solve for x
    x = 759,442,438,952,398.75/30,885,461.76
  6. Step 6: Final answer
    x = 24,588,994.16

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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.