Home / 21,345,980.58-31,998,516.01-9,033,005.95

Finding the Fourth Proportional to 21,345,980.58, 31,998,516.01 and 9,033,005.95

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Solution

The fourth proportional to 21,345,980.58, 31,998,516.01 and 9,033,005.95 is: 13,540,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,980.58 : 31,998,516.01 = 9,033,005.95 : x
  2. Step 2: Convert to fraction form
    21,345,980.58/31,998,516.01 = 9,033,005.95/x
  3. Step 3: Cross multiply
    21,345,980.58x = 31,998,516.01 × 9,033,005.95
  4. Step 4: Simplify right side
    21,345,980.58x = 289,042,785,406,921.44
  5. Step 5: Solve for x
    x = 289,042,785,406,921.44/21,345,980.58
  6. Step 6: Final answer
    x = 13,540,853.01

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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.