Home / 38,588,528.86-53,252,793.75-21,186,478.30

Finding the Fourth Proportional to 38,588,528.86, 53,252,793.75 and 21,186,478.30

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Solution

The fourth proportional to 38,588,528.86, 53,252,793.75 and 21,186,478.30 is: 29,237,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588,528.86 : 53,252,793.75 = 21,186,478.30 : x
  2. Step 2: Convert to fraction form
    38,588,528.86/53,252,793.75 = 21,186,478.30/x
  3. Step 3: Cross multiply
    38,588,528.86x = 53,252,793.75 × 21,186,478.30
  4. Step 4: Simplify right side
    38,588,528.86x = 1,128,239,159,198,750.75
  5. Step 5: Solve for x
    x = 1,128,239,159,198,750.75/38,588,528.86
  6. Step 6: Final answer
    x = 29,237,682.61

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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.