Home / 11,657,895.15-16,087,167.10-6,430,963.78

Finding the Fourth Proportional to 11,657,895.15, 16,087,167.10 and 6,430,963.78

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Solution

The fourth proportional to 11,657,895.15, 16,087,167.10 and 6,430,963.78 is: 8,874,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,895.15 : 16,087,167.10 = 6,430,963.78 : x
  2. Step 2: Convert to fraction form
    11,657,895.15/16,087,167.10 = 6,430,963.78/x
  3. Step 3: Cross multiply
    11,657,895.15x = 16,087,167.10 × 6,430,963.78
  4. Step 4: Simplify right side
    11,657,895.15x = 103,455,988,942,907.64
  5. Step 5: Solve for x
    x = 103,455,988,942,907.64/11,657,895.15
  6. Step 6: Final answer
    x = 8,874,328.31

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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.