Home / 38,558,539.80-53,211,327.84-21,154,568.76

Finding the Fourth Proportional to 38,558,539.80, 53,211,327.84 and 21,154,568.76

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Solution

The fourth proportional to 38,558,539.80, 53,211,327.84 and 21,154,568.76 is: 29,193,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558,539.80 : 53,211,327.84 = 21,154,568.76 : x
  2. Step 2: Convert to fraction form
    38,558,539.80/53,211,327.84 = 21,154,568.76/x
  3. Step 3: Cross multiply
    38,558,539.80x = 53,211,327.84 × 21,154,568.76
  4. Step 4: Simplify right side
    38,558,539.80x = 1,125,662,693,602,182.50
  5. Step 5: Solve for x
    x = 1,125,662,693,602,182.50/38,558,539.80
  6. Step 6: Final answer
    x = 29,193,602.75

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Double scale
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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.