Home / 15,485,086.45-21,369,967.66-8,516,303.39

Finding the Fourth Proportional to 15,485,086.45, 21,369,967.66 and 8,516,303.39

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Solution

The fourth proportional to 15,485,086.45, 21,369,967.66 and 8,516,303.39 is: 11,752,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,086.45 : 21,369,967.66 = 8,516,303.39 : x
  2. Step 2: Convert to fraction form
    15,485,086.45/21,369,967.66 = 8,516,303.39/x
  3. Step 3: Cross multiply
    15,485,086.45x = 21,369,967.66 × 8,516,303.39
  4. Step 4: Simplify right side
    15,485,086.45x = 181,993,128,091,118.66
  5. Step 5: Solve for x
    x = 181,993,128,091,118.66/15,485,086.45
  6. Step 6: Final answer
    x = 11,752,800.26

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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.