Home / 28,346,812.32-39,097,714.00-21,377,783.22

Finding the Fourth Proportional to 28,346,812.32, 39,097,714.00 and 21,377,783.22

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Solution

The fourth proportional to 28,346,812.32, 39,097,714.00 and 21,377,783.22 is: 29,485,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,812.32 : 39,097,714.00 = 21,377,783.22 : x
  2. Step 2: Convert to fraction form
    28,346,812.32/39,097,714.00 = 21,377,783.22/x
  3. Step 3: Cross multiply
    28,346,812.32x = 39,097,714.00 × 21,377,783.22
  4. Step 4: Simplify right side
    28,346,812.32x = 835,822,454,182,288.88
  5. Step 5: Solve for x
    x = 835,822,454,182,288.88/28,346,812.32
  6. Step 6: Final answer
    x = 29,485,588.88

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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.