Home / 20,803,005.10-31,192,066.05-10,725,309.10

Finding the Fourth Proportional to 20,803,005.10, 31,192,066.05 and 10,725,309.10

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Solution

The fourth proportional to 20,803,005.10, 31,192,066.05 and 10,725,309.10 is: 16,081,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,005.10 : 31,192,066.05 = 10,725,309.10 : x
  2. Step 2: Convert to fraction form
    20,803,005.10/31,192,066.05 = 10,725,309.10/x
  3. Step 3: Cross multiply
    20,803,005.10x = 31,192,066.05 × 10,725,309.10
  4. Step 4: Simplify right side
    20,803,005.10x = 334,544,549,853,866.06
  5. Step 5: Solve for x
    x = 334,544,549,853,866.06/20,803,005.10
  6. Step 6: Final answer
    x = 16,081,549.19

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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.