Home / 19,153,661.32-28,725,176.22-5,317,441.48

Finding the Fourth Proportional to 19,153,661.32, 28,725,176.22 and 5,317,441.48

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Solution

The fourth proportional to 19,153,661.32, 28,725,176.22 and 5,317,441.48 is: 7,974,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,661.32 : 28,725,176.22 = 5,317,441.48 : x
  2. Step 2: Convert to fraction form
    19,153,661.32/28,725,176.22 = 5,317,441.48/x
  3. Step 3: Cross multiply
    19,153,661.32x = 28,725,176.22 × 5,317,441.48
  4. Step 4: Simplify right side
    19,153,661.32x = 152,744,443,552,537.62
  5. Step 5: Solve for x
    x = 152,744,443,552,537.62/19,153,661.32
  6. Step 6: Final answer
    x = 7,974,686.46

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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.