Home / 7,879,484.80-10,871,837.04-4,781,939.50

Finding the Fourth Proportional to 7,879,484.80, 10,871,837.04 and 4,781,939.50

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Solution

The fourth proportional to 7,879,484.80, 10,871,837.04 and 4,781,939.50 is: 6,597,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,484.80 : 10,871,837.04 = 4,781,939.50 : x
  2. Step 2: Convert to fraction form
    7,879,484.80/10,871,837.04 = 4,781,939.50/x
  3. Step 3: Cross multiply
    7,879,484.80x = 10,871,837.04 × 4,781,939.50
  4. Step 4: Simplify right side
    7,879,484.80x = 51,988,466,979,139.08
  5. Step 5: Solve for x
    x = 51,988,466,979,139.08/7,879,484.80
  6. Step 6: Final answer
    x = 6,597,952.57

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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.