Home / 21,958,005.96-30,301,677.84-12,168,430.20

Finding the Fourth Proportional to 21,958,005.96, 30,301,677.84 and 12,168,430.20

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Solution

The fourth proportional to 21,958,005.96, 30,301,677.84 and 12,168,430.20 is: 16,792,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958,005.96 : 30,301,677.84 = 12,168,430.20 : x
  2. Step 2: Convert to fraction form
    21,958,005.96/30,301,677.84 = 12,168,430.20/x
  3. Step 3: Cross multiply
    21,958,005.96x = 30,301,677.84 × 12,168,430.20
  4. Step 4: Simplify right side
    21,958,005.96x = 368,723,851,738,926.75
  5. Step 5: Solve for x
    x = 368,723,851,738,926.75/21,958,005.96
  6. Step 6: Final answer
    x = 16,792,228.42

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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.