Home / 6,912,540.40-10,368,810.60-5,484,866.80

Finding the Fourth Proportional to 6,912,540.40, 10,368,810.60 and 5,484,866.80

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Solution

The fourth proportional to 6,912,540.40, 10,368,810.60 and 5,484,866.80 is: 8,227,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,540.40 : 10,368,810.60 = 5,484,866.80 : x
  2. Step 2: Convert to fraction form
    6,912,540.40/10,368,810.60 = 5,484,866.80/x
  3. Step 3: Cross multiply
    6,912,540.40x = 10,368,810.60 × 5,484,866.80
  4. Step 4: Simplify right side
    6,912,540.40x = 56,871,545,015,428.08
  5. Step 5: Solve for x
    x = 56,871,545,015,428.08/6,912,540.40
  6. Step 6: Final answer
    x = 8,227,300.20

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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.