Home / 13,215,357.90-19,842,496.04-7,390,954.95

Finding the Fourth Proportional to 13,215,357.90, 19,842,496.04 and 7,390,954.95

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Solution

The fourth proportional to 13,215,357.90, 19,842,496.04 and 7,390,954.95 is: 11,097,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,357.90 : 19,842,496.04 = 7,390,954.95 : x
  2. Step 2: Convert to fraction form
    13,215,357.90/19,842,496.04 = 7,390,954.95/x
  3. Step 3: Cross multiply
    13,215,357.90x = 19,842,496.04 × 7,390,954.95
  4. Step 4: Simplify right side
    13,215,357.90x = 146,654,994,227,980.91
  5. Step 5: Solve for x
    x = 146,654,994,227,980.91/13,215,357.90
  6. Step 6: Final answer
    x = 11,097,315.36

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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.