Home / 13,215,355.96-19,842,493.13-7,390,953

Finding the Fourth Proportional to 13,215,355.96, 19,842,493.13 and 7,390,953

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Solution

The fourth proportional to 13,215,355.96, 19,842,493.13 and 7,390,953 is: 11,097,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,355.96 : 19,842,493.13 = 7,390,953 : x
  2. Step 2: Convert to fraction form
    13,215,355.96/19,842,493.13 = 7,390,953/x
  3. Step 3: Cross multiply
    13,215,355.96x = 19,842,493.13 × 7,390,953
  4. Step 4: Simplify right side
    13,215,355.96x = 146,654,934,126,652.88
  5. Step 5: Solve for x
    x = 146,654,934,126,652.88/13,215,355.96
  6. Step 6: Final answer
    x = 11,097,312.44

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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.