Home / 30,646,370.88-45,955,722.60-8,781,749.06

Finding the Fourth Proportional to 30,646,370.88, 45,955,722.60 and 8,781,749.06

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Solution

The fourth proportional to 30,646,370.88, 45,955,722.60 and 8,781,749.06 is: 13,168,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,370.88 : 45,955,722.60 = 8,781,749.06 : x
  2. Step 2: Convert to fraction form
    30,646,370.88/45,955,722.60 = 8,781,749.06/x
  3. Step 3: Cross multiply
    30,646,370.88x = 45,955,722.60 × 8,781,749.06
  4. Step 4: Simplify right side
    30,646,370.88x = 403,571,623,514,392.12
  5. Step 5: Solve for x
    x = 403,571,623,514,392.12/30,646,370.88
  6. Step 6: Final answer
    x = 13,168,659.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.