Home / 35,138,861.12-48,492,123.57-20,245,954.28

Finding the Fourth Proportional to 35,138,861.12, 48,492,123.57 and 20,245,954.28

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Solution

The fourth proportional to 35,138,861.12, 48,492,123.57 and 20,245,954.28 is: 27,939,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138,861.12 : 48,492,123.57 = 20,245,954.28 : x
  2. Step 2: Convert to fraction form
    35,138,861.12/48,492,123.57 = 20,245,954.28/x
  3. Step 3: Cross multiply
    35,138,861.12x = 48,492,123.57 × 20,245,954.28
  4. Step 4: Simplify right side
    35,138,861.12x = 981,769,316,495,869.75
  5. Step 5: Solve for x
    x = 981,769,316,495,869.75/35,138,861.12
  6. Step 6: Final answer
    x = 27,939,702.24

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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.