Home / 8,196,997.05-12,303,368.78-4,158,045.45

Finding the Fourth Proportional to 8,196,997.05, 12,303,368.78 and 4,158,045.45

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Solution

The fourth proportional to 8,196,997.05, 12,303,368.78 and 4,158,045.45 is: 6,241,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,997.05 : 12,303,368.78 = 4,158,045.45 : x
  2. Step 2: Convert to fraction form
    8,196,997.05/12,303,368.78 = 4,158,045.45/x
  3. Step 3: Cross multiply
    8,196,997.05x = 12,303,368.78 × 4,158,045.45
  4. Step 4: Simplify right side
    8,196,997.05x = 51,157,966,554,560.83
  5. Step 5: Solve for x
    x = 51,157,966,554,560.83/8,196,997.05
  6. Step 6: Final answer
    x = 6,241,061.97

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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.