Home / 19,479,811.40-29,219,717.10-8,842,243.40

Finding the Fourth Proportional to 19,479,811.40, 29,219,717.10 and 8,842,243.40

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Solution

The fourth proportional to 19,479,811.40, 29,219,717.10 and 8,842,243.40 is: 13,263,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,811.40 : 29,219,717.10 = 8,842,243.40 : x
  2. Step 2: Convert to fraction form
    19,479,811.40/29,219,717.10 = 8,842,243.40/x
  3. Step 3: Cross multiply
    19,479,811.40x = 29,219,717.10 × 8,842,243.40
  4. Step 4: Simplify right side
    19,479,811.40x = 258,367,850,677,342.16
  5. Step 5: Solve for x
    x = 258,367,850,677,342.16/19,479,811.40
  6. Step 6: Final answer
    x = 13,263,365.10

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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.