Home / 10,550,666.52-15,823,785-2,975,860.80

Finding the Fourth Proportional to 10,550,666.52, 15,823,785 and 2,975,860.80

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Solution

The fourth proportional to 10,550,666.52, 15,823,785 and 2,975,860.80 is: 4,463,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550,666.52 : 15,823,785 = 2,975,860.80 : x
  2. Step 2: Convert to fraction form
    10,550,666.52/15,823,785 = 2,975,860.80/x
  3. Step 3: Cross multiply
    10,550,666.52x = 15,823,785 × 2,975,860.80
  4. Step 4: Simplify right side
    10,550,666.52x = 47,089,381,489,128
  5. Step 5: Solve for x
    x = 47,089,381,489,128/10,550,666.52
  6. Step 6: Final answer
    x = 4,463,166.51

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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.