Home / 38,039,944.16-52,495,123.20-21,742,770.08

Finding the Fourth Proportional to 38,039,944.16, 52,495,123.20 and 21,742,770.08

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Solution

The fourth proportional to 38,039,944.16, 52,495,123.20 and 21,742,770.08 is: 30,005,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039,944.16 : 52,495,123.20 = 21,742,770.08 : x
  2. Step 2: Convert to fraction form
    38,039,944.16/52,495,123.20 = 21,742,770.08/x
  3. Step 3: Cross multiply
    38,039,944.16x = 52,495,123.20 × 21,742,770.08
  4. Step 4: Simplify right side
    38,039,944.16x = 1,141,389,394,058,873.75
  5. Step 5: Solve for x
    x = 1,141,389,394,058,873.75/38,039,944.16
  6. Step 6: Final answer
    x = 30,005,022.86

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Double scale
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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.