Home / 12,513,657-17,268,846.66-6,790,521

Finding the Fourth Proportional to 12,513,657, 17,268,846.66 and 6,790,521

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Solution

The fourth proportional to 12,513,657, 17,268,846.66 and 6,790,521 is: 9,370,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,657 : 17,268,846.66 = 6,790,521 : x
  2. Step 2: Convert to fraction form
    12,513,657/17,268,846.66 = 6,790,521/x
  3. Step 3: Cross multiply
    12,513,657x = 17,268,846.66 × 6,790,521
  4. Step 4: Simplify right side
    12,513,657x = 117,264,465,890,509.86
  5. Step 5: Solve for x
    x = 117,264,465,890,509.86/12,513,657
  6. Step 6: Final answer
    x = 9,370,918.98

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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.