Home / 40,011,525.36-55,215,962.28-21,676,810.32

Finding the Fourth Proportional to 40,011,525.36, 55,215,962.28 and 21,676,810.32

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Solution

The fourth proportional to 40,011,525.36, 55,215,962.28 and 21,676,810.32 is: 29,914,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,525.36 : 55,215,962.28 = 21,676,810.32 : x
  2. Step 2: Convert to fraction form
    40,011,525.36/55,215,962.28 = 21,676,810.32/x
  3. Step 3: Cross multiply
    40,011,525.36x = 55,215,962.28 × 21,676,810.32
  4. Step 4: Simplify right side
    40,011,525.36x = 1,196,905,940,979,834.75
  5. Step 5: Solve for x
    x = 1,196,905,940,979,834.75/40,011,525.36
  6. Step 6: Final answer
    x = 29,914,029.28

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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.