Home / 8,703,770.28-12,008,133.72-4,979,881.50

Finding the Fourth Proportional to 8,703,770.28, 12,008,133.72 and 4,979,881.50

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Solution

The fourth proportional to 8,703,770.28, 12,008,133.72 and 4,979,881.50 is: 6,870,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,770.28 : 12,008,133.72 = 4,979,881.50 : x
  2. Step 2: Convert to fraction form
    8,703,770.28/12,008,133.72 = 4,979,881.50/x
  3. Step 3: Cross multiply
    8,703,770.28x = 12,008,133.72 × 4,979,881.50
  4. Step 4: Simplify right side
    8,703,770.28x = 59,799,082,961,754.18
  5. Step 5: Solve for x
    x = 59,799,082,961,754.18/8,703,770.28
  6. Step 6: Final answer
    x = 6,870,480.38

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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.