Home / 28,043,389.20-42,083,746.20-15,912,829.20

Finding the Fourth Proportional to 28,043,389.20, 42,083,746.20 and 15,912,829.20

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Solution

The fourth proportional to 28,043,389.20, 42,083,746.20 and 15,912,829.20 is: 23,879,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,389.20 : 42,083,746.20 = 15,912,829.20 : x
  2. Step 2: Convert to fraction form
    28,043,389.20/42,083,746.20 = 15,912,829.20/x
  3. Step 3: Cross multiply
    28,043,389.20x = 42,083,746.20 × 15,912,829.20
  4. Step 4: Simplify right side
    28,043,389.20x = 669,671,465,376,749
  5. Step 5: Solve for x
    x = 669,671,465,376,749/28,043,389.20
  6. Step 6: Final answer
    x = 23,879,833.52

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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.