Home / 19,864,688.30-29,797,032.45-18,748,662.20

Finding the Fourth Proportional to 19,864,688.30, 29,797,032.45 and 18,748,662.20

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Solution

The fourth proportional to 19,864,688.30, 29,797,032.45 and 18,748,662.20 is: 28,122,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864,688.30 : 29,797,032.45 = 18,748,662.20 : x
  2. Step 2: Convert to fraction form
    19,864,688.30/29,797,032.45 = 18,748,662.20/x
  3. Step 3: Cross multiply
    19,864,688.30x = 29,797,032.45 × 18,748,662.20
  4. Step 4: Simplify right side
    19,864,688.30x = 558,654,495,967,488.38
  5. Step 5: Solve for x
    x = 558,654,495,967,488.38/19,864,688.30
  6. Step 6: Final answer
    x = 28,122,993.30

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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.