Home / 13,215,355.82-19,842,492.96-7,390,952.87

Finding the Fourth Proportional to 13,215,355.82, 19,842,492.96 and 7,390,952.87

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Solution

The fourth proportional to 13,215,355.82, 19,842,492.96 and 7,390,952.87 is: 11,097,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,355.82 : 19,842,492.96 = 7,390,952.87 : x
  2. Step 2: Convert to fraction form
    13,215,355.82/19,842,492.96 = 7,390,952.87/x
  3. Step 3: Cross multiply
    13,215,355.82x = 19,842,492.96 × 7,390,952.87
  4. Step 4: Simplify right side
    13,215,355.82x = 146,654,930,191,454.34
  5. Step 5: Solve for x
    x = 146,654,930,191,454.34/13,215,355.82
  6. Step 6: Final answer
    x = 11,097,312.27

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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.