Home / 20,317,587.54-28,038,128.56-11,024,921.29

Finding the Fourth Proportional to 20,317,587.54, 28,038,128.56 and 11,024,921.29

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Solution

The fourth proportional to 20,317,587.54, 28,038,128.56 and 11,024,921.29 is: 15,214,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,587.54 : 28,038,128.56 = 11,024,921.29 : x
  2. Step 2: Convert to fraction form
    20,317,587.54/28,038,128.56 = 11,024,921.29/x
  3. Step 3: Cross multiply
    20,317,587.54x = 28,038,128.56 × 11,024,921.29
  4. Step 4: Simplify right side
    20,317,587.54x = 309,118,160,492,901
  5. Step 5: Solve for x
    x = 309,118,160,492,901/20,317,587.54
  6. Step 6: Final answer
    x = 15,214,314.19

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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.