Home / 12,513,765-17,268,995.70-6,790,629

Finding the Fourth Proportional to 12,513,765, 17,268,995.70 and 6,790,629

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Solution

The fourth proportional to 12,513,765, 17,268,995.70 and 6,790,629 is: 9,371,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,765 : 17,268,995.70 = 6,790,629 : x
  2. Step 2: Convert to fraction form
    12,513,765/17,268,995.70 = 6,790,629/x
  3. Step 3: Cross multiply
    12,513,765x = 17,268,995.70 × 6,790,629
  4. Step 4: Simplify right side
    12,513,765x = 117,267,343,001,295.30
  5. Step 5: Solve for x
    x = 117,267,343,001,295.30/12,513,765
  6. Step 6: Final answer
    x = 9,371,068.02

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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.