Home / 15,528,749.80-23,293,124.70-12,788,876.20

Finding the Fourth Proportional to 15,528,749.80, 23,293,124.70 and 12,788,876.20

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Solution

The fourth proportional to 15,528,749.80, 23,293,124.70 and 12,788,876.20 is: 19,183,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,749.80 : 23,293,124.70 = 12,788,876.20 : x
  2. Step 2: Convert to fraction form
    15,528,749.80/23,293,124.70 = 12,788,876.20/x
  3. Step 3: Cross multiply
    15,528,749.80x = 23,293,124.70 × 12,788,876.20
  4. Step 4: Simplify right side
    15,528,749.80x = 297,892,888,099,462.12
  5. Step 5: Solve for x
    x = 297,892,888,099,462.12/15,528,749.80
  6. Step 6: Final answer
    x = 19,183,314.30

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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.