Home / 18,397,228.75-25,387,031.55-10,136,828.77

Finding the Fourth Proportional to 18,397,228.75, 25,387,031.55 and 10,136,828.77

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Solution

The fourth proportional to 18,397,228.75, 25,387,031.55 and 10,136,828.77 is: 13,988,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,228.75 : 25,387,031.55 = 10,136,828.77 : x
  2. Step 2: Convert to fraction form
    18,397,228.75/25,387,031.55 = 10,136,828.77/x
  3. Step 3: Cross multiply
    18,397,228.75x = 25,387,031.55 × 10,136,828.77
  4. Step 4: Simplify right side
    18,397,228.75x = 257,343,991,800,937.69
  5. Step 5: Solve for x
    x = 257,343,991,800,937.69/18,397,228.75
  6. Step 6: Final answer
    x = 13,988,193.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.