Home / 13,387,880.92-20,070,043.26-5,306,528.92

Finding the Fourth Proportional to 13,387,880.92, 20,070,043.26 and 5,306,528.92

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Solution

The fourth proportional to 13,387,880.92, 20,070,043.26 and 5,306,528.92 is: 7,955,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,880.92 : 20,070,043.26 = 5,306,528.92 : x
  2. Step 2: Convert to fraction form
    13,387,880.92/20,070,043.26 = 5,306,528.92/x
  3. Step 3: Cross multiply
    13,387,880.92x = 20,070,043.26 × 5,306,528.92
  4. Step 4: Simplify right side
    13,387,880.92x = 106,502,264,984,841.09
  5. Step 5: Solve for x
    x = 106,502,264,984,841.09/13,387,880.92
  6. Step 6: Final answer
    x = 7,955,124.91

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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.