Home / 10,459,875.47-15,690,167.24-2,783,527.79

Finding the Fourth Proportional to 10,459,875.47, 15,690,167.24 and 2,783,527.79

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Solution

The fourth proportional to 10,459,875.47, 15,690,167.24 and 2,783,527.79 is: 4,175,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459,875.47 : 15,690,167.24 = 2,783,527.79 : x
  2. Step 2: Convert to fraction form
    10,459,875.47/15,690,167.24 = 2,783,527.79/x
  3. Step 3: Cross multiply
    10,459,875.47x = 15,690,167.24 × 2,783,527.79
  4. Step 4: Simplify right side
    10,459,875.47x = 43,674,016,449,919.12
  5. Step 5: Solve for x
    x = 43,674,016,449,919.12/10,459,875.47
  6. Step 6: Final answer
    x = 4,175,385.89

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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.