Home / 12,875,696.40-17,768,754.90-7,074,110.28

Finding the Fourth Proportional to 12,875,696.40, 17,768,754.90 and 7,074,110.28

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Solution

The fourth proportional to 12,875,696.40, 17,768,754.90 and 7,074,110.28 is: 9,762,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,696.40 : 17,768,754.90 = 7,074,110.28 : x
  2. Step 2: Convert to fraction form
    12,875,696.40/17,768,754.90 = 7,074,110.28/x
  3. Step 3: Cross multiply
    12,875,696.40x = 17,768,754.90 × 7,074,110.28
  4. Step 4: Simplify right side
    12,875,696.40x = 125,698,131,700,890.36
  5. Step 5: Solve for x
    x = 125,698,131,700,890.36/12,875,696.40
  6. Step 6: Final answer
    x = 9,762,433.64

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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.