Home / 17,960,056.80-26,940,085.20-5,180,978.40

Finding the Fourth Proportional to 17,960,056.80, 26,940,085.20 and 5,180,978.40

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Solution

The fourth proportional to 17,960,056.80, 26,940,085.20 and 5,180,978.40 is: 7,771,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960,056.80 : 26,940,085.20 = 5,180,978.40 : x
  2. Step 2: Convert to fraction form
    17,960,056.80/26,940,085.20 = 5,180,978.40/x
  3. Step 3: Cross multiply
    17,960,056.80x = 26,940,085.20 × 5,180,978.40
  4. Step 4: Simplify right side
    17,960,056.80x = 139,575,999,515,359.69
  5. Step 5: Solve for x
    x = 139,575,999,515,359.69/17,960,056.80
  6. Step 6: Final answer
    x = 7,771,467.60

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1.5x scale

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.