Home / 21,256,252.32-31,884,168.36-9,738,452.52

Finding the Fourth Proportional to 21,256,252.32, 31,884,168.36 and 9,738,452.52

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Solution

The fourth proportional to 21,256,252.32, 31,884,168.36 and 9,738,452.52 is: 14,607,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,252.32 : 31,884,168.36 = 9,738,452.52 : x
  2. Step 2: Convert to fraction form
    21,256,252.32/31,884,168.36 = 9,738,452.52/x
  3. Step 3: Cross multiply
    21,256,252.32x = 31,884,168.36 × 9,738,452.52
  4. Step 4: Simplify right side
    21,256,252.32x = 310,502,459,713,546.25
  5. Step 5: Solve for x
    x = 310,502,459,713,546.25/21,256,252.32
  6. Step 6: Final answer
    x = 14,607,582.51

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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.