Home / 34,021,129.40-51,031,694.10-12,448,561.40

Finding the Fourth Proportional to 34,021,129.40, 51,031,694.10 and 12,448,561.40

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Solution

The fourth proportional to 34,021,129.40, 51,031,694.10 and 12,448,561.40 is: 18,672,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021,129.40 : 51,031,694.10 = 12,448,561.40 : x
  2. Step 2: Convert to fraction form
    34,021,129.40/51,031,694.10 = 12,448,561.40/x
  3. Step 3: Cross multiply
    34,021,129.40x = 51,031,694.10 × 12,448,561.40
  4. Step 4: Simplify right side
    34,021,129.40x = 635,271,177,349,867.75
  5. Step 5: Solve for x
    x = 635,271,177,349,867.75/34,021,129.40
  6. Step 6: Final answer
    x = 18,672,842.10

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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.