Home / 25,685,619.20-38,528,428.80-10,550,412.80

Finding the Fourth Proportional to 25,685,619.20, 38,528,428.80 and 10,550,412.80

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Solution

The fourth proportional to 25,685,619.20, 38,528,428.80 and 10,550,412.80 is: 15,825,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,619.20 : 38,528,428.80 = 10,550,412.80 : x
  2. Step 2: Convert to fraction form
    25,685,619.20/38,528,428.80 = 10,550,412.80/x
  3. Step 3: Cross multiply
    25,685,619.20x = 38,528,428.80 × 10,550,412.80
  4. Step 4: Simplify right side
    25,685,619.20x = 406,490,828,375,408.62
  5. Step 5: Solve for x
    x = 406,490,828,375,408.62/25,685,619.20
  6. Step 6: Final answer
    x = 15,825,619.20

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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.