Home / 13,445,434.74-18,549,412.38-8,279,828.22

Finding the Fourth Proportional to 13,445,434.74, 18,549,412.38 and 8,279,828.22

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Solution

The fourth proportional to 13,445,434.74, 18,549,412.38 and 8,279,828.22 is: 11,422,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,434.74 : 18,549,412.38 = 8,279,828.22 : x
  2. Step 2: Convert to fraction form
    13,445,434.74/18,549,412.38 = 8,279,828.22/x
  3. Step 3: Cross multiply
    13,445,434.74x = 18,549,412.38 × 8,279,828.22
  4. Step 4: Simplify right side
    13,445,434.74x = 153,585,948,088,341.34
  5. Step 5: Solve for x
    x = 153,585,948,088,341.34/13,445,434.74
  6. Step 6: Final answer
    x = 11,422,906.81

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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.