Home / 31,453,733.60-47,180,600.40-21,376,037.60

Finding the Fourth Proportional to 31,453,733.60, 47,180,600.40 and 21,376,037.60

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Solution

The fourth proportional to 31,453,733.60, 47,180,600.40 and 21,376,037.60 is: 32,064,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,733.60 : 47,180,600.40 = 21,376,037.60 : x
  2. Step 2: Convert to fraction form
    31,453,733.60/47,180,600.40 = 21,376,037.60/x
  3. Step 3: Cross multiply
    31,453,733.60x = 47,180,600.40 × 21,376,037.60
  4. Step 4: Simplify right side
    31,453,733.60x = 1,008,534,288,140,975.12
  5. Step 5: Solve for x
    x = 1,008,534,288,140,975.12/31,453,733.60
  6. Step 6: Final answer
    x = 32,064,056.40

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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.