Home / 9,439,331.40-14,138,001.90-7,759,715.40

Finding the Fourth Proportional to 9,439,331.40, 14,138,001.90 and 7,759,715.40

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Solution

The fourth proportional to 9,439,331.40, 14,138,001.90 and 7,759,715.40 is: 11,622,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439,331.40 : 14,138,001.90 = 7,759,715.40 : x
  2. Step 2: Convert to fraction form
    9,439,331.40/14,138,001.90 = 7,759,715.40/x
  3. Step 3: Cross multiply
    9,439,331.40x = 14,138,001.90 × 7,759,715.40
  4. Step 4: Simplify right side
    9,439,331.40x = 109,706,871,068,659.27
  5. Step 5: Solve for x
    x = 109,706,871,068,659.27/9,439,331.40
  6. Step 6: Final answer
    x = 11,622,313.74

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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.