Home / 20,317,586.54-28,038,127.19-11,024,920.29

Finding the Fourth Proportional to 20,317,586.54, 28,038,127.19 and 11,024,920.29

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Solution

The fourth proportional to 20,317,586.54, 28,038,127.19 and 11,024,920.29 is: 15,214,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,586.54 : 28,038,127.19 = 11,024,920.29 : x
  2. Step 2: Convert to fraction form
    20,317,586.54/28,038,127.19 = 11,024,920.29/x
  3. Step 3: Cross multiply
    20,317,586.54x = 28,038,127.19 × 11,024,920.29
  4. Step 4: Simplify right side
    20,317,586.54x = 309,118,117,400,650
  5. Step 5: Solve for x
    x = 309,118,117,400,650/20,317,586.54
  6. Step 6: Final answer
    x = 15,214,312.83

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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.