Home / 11,478,816.81-15,840,443.03-6,251,706.45

Finding the Fourth Proportional to 11,478,816.81, 15,840,443.03 and 6,251,706.45

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Solution

The fourth proportional to 11,478,816.81, 15,840,443.03 and 6,251,706.45 is: 8,627,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,816.81 : 15,840,443.03 = 6,251,706.45 : x
  2. Step 2: Convert to fraction form
    11,478,816.81/15,840,443.03 = 6,251,706.45/x
  3. Step 3: Cross multiply
    11,478,816.81x = 15,840,443.03 × 6,251,706.45
  4. Step 4: Simplify right side
    11,478,816.81x = 99,029,799,830,250.02
  5. Step 5: Solve for x
    x = 99,029,799,830,250.02/11,478,816.81
  6. Step 6: Final answer
    x = 8,627,178.35

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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.