Home / 38,515,770.24-53,152,405.14-20,875,236.30

Finding the Fourth Proportional to 38,515,770.24, 53,152,405.14 and 20,875,236.30

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Solution

The fourth proportional to 38,515,770.24, 53,152,405.14 and 20,875,236.30 is: 28,808,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515,770.24 : 53,152,405.14 = 20,875,236.30 : x
  2. Step 2: Convert to fraction form
    38,515,770.24/53,152,405.14 = 20,875,236.30/x
  3. Step 3: Cross multiply
    38,515,770.24x = 53,152,405.14 × 20,875,236.30
  4. Step 4: Simplify right side
    38,515,770.24x = 1,109,569,017,210,834.62
  5. Step 5: Solve for x
    x = 1,109,569,017,210,834.62/38,515,770.24
  6. Step 6: Final answer
    x = 28,808,174.17

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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.