Home / 38,105,983.54-52,574,671.87-21,583,482.85

Finding the Fourth Proportional to 38,105,983.54, 52,574,671.87 and 21,583,482.85

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Solution

The fourth proportional to 38,105,983.54, 52,574,671.87 and 21,583,482.85 is: 29,778,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105,983.54 : 52,574,671.87 = 21,583,482.85 : x
  2. Step 2: Convert to fraction form
    38,105,983.54/52,574,671.87 = 21,583,482.85/x
  3. Step 3: Cross multiply
    38,105,983.54x = 52,574,671.87 × 21,583,482.85
  4. Step 4: Simplify right side
    38,105,983.54x = 1,134,744,528,783,710.75
  5. Step 5: Solve for x
    x = 1,134,744,528,783,710.75/38,105,983.54
  6. Step 6: Final answer
    x = 29,778,644.28

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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.