Home / 15,578,380.89-23,346,683.37-12,124,291.19

Finding the Fourth Proportional to 15,578,380.89, 23,346,683.37 and 12,124,291.19

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Solution

The fourth proportional to 15,578,380.89, 23,346,683.37 and 12,124,291.19 is: 18,170,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578,380.89 : 23,346,683.37 = 12,124,291.19 : x
  2. Step 2: Convert to fraction form
    15,578,380.89/23,346,683.37 = 12,124,291.19/x
  3. Step 3: Cross multiply
    15,578,380.89x = 23,346,683.37 × 12,124,291.19
  4. Step 4: Simplify right side
    15,578,380.89x = 283,061,987,381,877.12
  5. Step 5: Solve for x
    x = 283,061,987,381,877.12/15,578,380.89
  6. Step 6: Final answer
    x = 18,170,180.16

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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.