Home / 20,621,547.36-28,458,186.24-11,329,237.20

Finding the Fourth Proportional to 20,621,547.36, 28,458,186.24 and 11,329,237.20

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Solution

The fourth proportional to 20,621,547.36, 28,458,186.24 and 11,329,237.20 is: 15,634,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621,547.36 : 28,458,186.24 = 11,329,237.20 : x
  2. Step 2: Convert to fraction form
    20,621,547.36/28,458,186.24 = 11,329,237.20/x
  3. Step 3: Cross multiply
    20,621,547.36x = 28,458,186.24 × 11,329,237.20
  4. Step 4: Simplify right side
    20,621,547.36x = 322,409,542,194,736.06
  5. Step 5: Solve for x
    x = 322,409,542,194,736.06/20,621,547.36
  6. Step 6: Final answer
    x = 15,634,595.05

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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.