Home / 21,407,975.55-32,111,676.30-5,234,066.28

Finding the Fourth Proportional to 21,407,975.55, 32,111,676.30 and 5,234,066.28

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Solution

The fourth proportional to 21,407,975.55, 32,111,676.30 and 5,234,066.28 is: 7,851,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,975.55 : 32,111,676.30 = 5,234,066.28 : x
  2. Step 2: Convert to fraction form
    21,407,975.55/32,111,676.30 = 5,234,066.28/x
  3. Step 3: Cross multiply
    21,407,975.55x = 32,111,676.30 × 5,234,066.28
  4. Step 4: Simplify right side
    21,407,975.55x = 168,074,642,116,105.19
  5. Step 5: Solve for x
    x = 168,074,642,116,105.19/21,407,975.55
  6. Step 6: Final answer
    x = 7,851,029.24

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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.