Home / 12,580,880.45-17,361,524.75-7,148,372.45

Finding the Fourth Proportional to 12,580,880.45, 17,361,524.75 and 7,148,372.45

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Solution

The fourth proportional to 12,580,880.45, 17,361,524.75 and 7,148,372.45 is: 9,864,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,880.45 : 17,361,524.75 = 7,148,372.45 : x
  2. Step 2: Convert to fraction form
    12,580,880.45/17,361,524.75 = 7,148,372.45/x
  3. Step 3: Cross multiply
    12,580,880.45x = 17,361,524.75 × 7,148,372.45
  4. Step 4: Simplify right side
    12,580,880.45x = 124,106,645,090,343.67
  5. Step 5: Solve for x
    x = 124,106,645,090,343.67/12,580,880.45
  6. Step 6: Final answer
    x = 9,864,702.68

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1.5x scale

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.