Home / 12,224,628.51-16,870,087.40-7,643,605.47

Finding the Fourth Proportional to 12,224,628.51, 16,870,087.40 and 7,643,605.47

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Solution

The fourth proportional to 12,224,628.51, 16,870,087.40 and 7,643,605.47 is: 10,548,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,628.51 : 16,870,087.40 = 7,643,605.47 : x
  2. Step 2: Convert to fraction form
    12,224,628.51/16,870,087.40 = 7,643,605.47/x
  3. Step 3: Cross multiply
    12,224,628.51x = 16,870,087.40 × 7,643,605.47
  4. Step 4: Simplify right side
    12,224,628.51x = 128,948,292,291,800.05
  5. Step 5: Solve for x
    x = 128,948,292,291,800.05/12,224,628.51
  6. Step 6: Final answer
    x = 10,548,238.11

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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.