Home / 13,407,276.12-18,502,459.20-7,606,302.36

Finding the Fourth Proportional to 13,407,276.12, 18,502,459.20 and 7,606,302.36

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Solution

The fourth proportional to 13,407,276.12, 18,502,459.20 and 7,606,302.36 is: 10,496,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,276.12 : 18,502,459.20 = 7,606,302.36 : x
  2. Step 2: Convert to fraction form
    13,407,276.12/18,502,459.20 = 7,606,302.36/x
  3. Step 3: Cross multiply
    13,407,276.12x = 18,502,459.20 × 7,606,302.36
  4. Step 4: Simplify right side
    13,407,276.12x = 140,735,299,078,763.72
  5. Step 5: Solve for x
    x = 140,735,299,078,763.72/13,407,276.12
  6. Step 6: Final answer
    x = 10,496,934.49

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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.