Home / 11,772,749.83-16,236,278.13-7,638,707.47

Finding the Fourth Proportional to 11,772,749.83, 16,236,278.13 and 7,638,707.47

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Solution

The fourth proportional to 11,772,749.83, 16,236,278.13 and 7,638,707.47 is: 10,534,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772,749.83 : 16,236,278.13 = 7,638,707.47 : x
  2. Step 2: Convert to fraction form
    11,772,749.83/16,236,278.13 = 7,638,707.47/x
  3. Step 3: Cross multiply
    11,772,749.83x = 16,236,278.13 × 7,638,707.47
  4. Step 4: Simplify right side
    11,772,749.83x = 124,024,179,036,628.64
  5. Step 5: Solve for x
    x = 124,024,179,036,628.64/11,772,749.83
  6. Step 6: Final answer
    x = 10,534,852.17

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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.