Home / 20,208,537.60-30,312,806.40-15,673,574.40

Finding the Fourth Proportional to 20,208,537.60, 30,312,806.40 and 15,673,574.40

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Solution

The fourth proportional to 20,208,537.60, 30,312,806.40 and 15,673,574.40 is: 23,510,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,537.60 : 30,312,806.40 = 15,673,574.40 : x
  2. Step 2: Convert to fraction form
    20,208,537.60/30,312,806.40 = 15,673,574.40/x
  3. Step 3: Cross multiply
    20,208,537.60x = 30,312,806.40 × 15,673,574.40
  4. Step 4: Simplify right side
    20,208,537.60x = 475,110,026,383,196.12
  5. Step 5: Solve for x
    x = 475,110,026,383,196.12/20,208,537.60
  6. Step 6: Final answer
    x = 23,510,361.60

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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.