Home / 13,130,348.49-18,122,904.23-7,699,590.09

Finding the Fourth Proportional to 13,130,348.49, 18,122,904.23 and 7,699,590.09

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Solution

The fourth proportional to 13,130,348.49, 18,122,904.23 and 7,699,590.09 is: 10,627,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,348.49 : 18,122,904.23 = 7,699,590.09 : x
  2. Step 2: Convert to fraction form
    13,130,348.49/18,122,904.23 = 7,699,590.09/x
  3. Step 3: Cross multiply
    13,130,348.49x = 18,122,904.23 × 7,699,590.09
  4. Step 4: Simplify right side
    13,130,348.49x = 139,538,933,772,829.14
  5. Step 5: Solve for x
    x = 139,538,933,772,829.14/13,130,348.49
  6. Step 6: Final answer
    x = 10,627,207.18

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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.