Home / 28,026,427.22-42,019,464.36-17,221,403.36

Finding the Fourth Proportional to 28,026,427.22, 42,019,464.36 and 17,221,403.36

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Solution

The fourth proportional to 28,026,427.22, 42,019,464.36 and 17,221,403.36 is: 25,819,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,427.22 : 42,019,464.36 = 17,221,403.36 : x
  2. Step 2: Convert to fraction form
    28,026,427.22/42,019,464.36 = 17,221,403.36/x
  3. Step 3: Cross multiply
    28,026,427.22x = 42,019,464.36 × 17,221,403.36
  4. Step 4: Simplify right side
    28,026,427.22x = 723,634,144,714,704.25
  5. Step 5: Solve for x
    x = 723,634,144,714,704.25/28,026,427.22
  6. Step 6: Final answer
    x = 25,819,707.20

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1.5x scale

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.