Home / 7,776,302.10-11,644,041.15-5,489,477.70

Finding the Fourth Proportional to 7,776,302.10, 11,644,041.15 and 5,489,477.70

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Solution

The fourth proportional to 7,776,302.10, 11,644,041.15 and 5,489,477.70 is: 8,219,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,302.10 : 11,644,041.15 = 5,489,477.70 : x
  2. Step 2: Convert to fraction form
    7,776,302.10/11,644,041.15 = 5,489,477.70/x
  3. Step 3: Cross multiply
    7,776,302.10x = 11,644,041.15 × 5,489,477.70
  4. Step 4: Simplify right side
    7,776,302.10x = 63,919,704,230,807.36
  5. Step 5: Solve for x
    x = 63,919,704,230,807.36/7,776,302.10
  6. Step 6: Final answer
    x = 8,219,807.23

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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.