Home / 8,446,809.20-11,666,219.48-5,725,831.28

Finding the Fourth Proportional to 8,446,809.20, 11,666,219.48 and 5,725,831.28

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Solution

The fourth proportional to 8,446,809.20, 11,666,219.48 and 5,725,831.28 is: 7,908,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446,809.20 : 11,666,219.48 = 5,725,831.28 : x
  2. Step 2: Convert to fraction form
    8,446,809.20/11,666,219.48 = 5,725,831.28/x
  3. Step 3: Cross multiply
    8,446,809.20x = 11,666,219.48 × 5,725,831.28
  4. Step 4: Simplify right side
    8,446,809.20x = 66,798,804,330,969.09
  5. Step 5: Solve for x
    x = 66,798,804,330,969.09/8,446,809.20
  6. Step 6: Final answer
    x = 7,908,170.15

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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.