Home / 10,308,005.40-15,463,757.70-3,119,482.20

Finding the Fourth Proportional to 10,308,005.40, 15,463,757.70 and 3,119,482.20

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Solution

The fourth proportional to 10,308,005.40, 15,463,757.70 and 3,119,482.20 is: 4,679,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,005.40 : 15,463,757.70 = 3,119,482.20 : x
  2. Step 2: Convert to fraction form
    10,308,005.40/15,463,757.70 = 3,119,482.20/x
  3. Step 3: Cross multiply
    10,308,005.40x = 15,463,757.70 × 3,119,482.20
  4. Step 4: Simplify right side
    10,308,005.40x = 48,238,916,890,262.94
  5. Step 5: Solve for x
    x = 48,238,916,890,262.94/10,308,005.40
  6. Step 6: Final answer
    x = 4,679,752.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.