Home / 12,210,701.78-16,850,801.61-6,704,433.28

Finding the Fourth Proportional to 12,210,701.78, 16,850,801.61 and 6,704,433.28

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Solution

The fourth proportional to 12,210,701.78, 16,850,801.61 and 6,704,433.28 is: 9,252,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,701.78 : 16,850,801.61 = 6,704,433.28 : x
  2. Step 2: Convert to fraction form
    12,210,701.78/16,850,801.61 = 6,704,433.28/x
  3. Step 3: Cross multiply
    12,210,701.78x = 16,850,801.61 × 6,704,433.28
  4. Step 4: Simplify right side
    12,210,701.78x = 112,975,075,148,684.66
  5. Step 5: Solve for x
    x = 112,975,075,148,684.66/12,210,701.78
  6. Step 6: Final answer
    x = 9,252,136.13

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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.