Home / 15,485,189.96-21,370,110.95-8,516,406.30

Finding the Fourth Proportional to 15,485,189.96, 21,370,110.95 and 8,516,406.30

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Solution

The fourth proportional to 15,485,189.96, 21,370,110.95 and 8,516,406.30 is: 11,752,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,189.96 : 21,370,110.95 = 8,516,406.30 : x
  2. Step 2: Convert to fraction form
    15,485,189.96/21,370,110.95 = 8,516,406.30/x
  3. Step 3: Cross multiply
    15,485,189.96x = 21,370,110.95 × 8,516,406.30
  4. Step 4: Simplify right side
    15,485,189.96x = 181,996,547,526,279
  5. Step 5: Solve for x
    x = 181,996,547,526,279/15,485,189.96
  6. Step 6: Final answer
    x = 11,752,942.52

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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.