Home / 38,523,492.76-53,162,407.16-21,119,464.56

Finding the Fourth Proportional to 38,523,492.76, 53,162,407.16 and 21,119,464.56

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Solution

The fourth proportional to 38,523,492.76, 53,162,407.16 and 21,119,464.56 is: 29,144,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,492.76 : 53,162,407.16 = 21,119,464.56 : x
  2. Step 2: Convert to fraction form
    38,523,492.76/53,162,407.16 = 21,119,464.56/x
  3. Step 3: Cross multiply
    38,523,492.76x = 53,162,407.16 × 21,119,464.56
  4. Step 4: Simplify right side
    38,523,492.76x = 1,122,761,573,939,910.12
  5. Step 5: Solve for x
    x = 1,122,761,573,939,910.12/38,523,492.76
  6. Step 6: Final answer
    x = 29,144,854.05

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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.