Home / 15,525,525.32-21,425,371.38-8,556,454.19

Finding the Fourth Proportional to 15,525,525.32, 21,425,371.38 and 8,556,454.19

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Solution

The fourth proportional to 15,525,525.32, 21,425,371.38 and 8,556,454.19 is: 11,807,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525,525.32 : 21,425,371.38 = 8,556,454.19 : x
  2. Step 2: Convert to fraction form
    15,525,525.32/21,425,371.38 = 8,556,454.19/x
  3. Step 3: Cross multiply
    15,525,525.32x = 21,425,371.38 × 8,556,454.19
  4. Step 4: Simplify right side
    15,525,525.32x = 183,325,208,716,707.06
  5. Step 5: Solve for x
    x = 183,325,208,716,707.06/15,525,525.32
  6. Step 6: Final answer
    x = 11,807,987.49

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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.