Home / 20,017,712.16-30,026,571.36-4,871,643.60

Finding the Fourth Proportional to 20,017,712.16, 30,026,571.36 and 4,871,643.60

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Solution

The fourth proportional to 20,017,712.16, 30,026,571.36 and 4,871,643.60 is: 7,307,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,712.16 : 30,026,571.36 = 4,871,643.60 : x
  2. Step 2: Convert to fraction form
    20,017,712.16/30,026,571.36 = 4,871,643.60/x
  3. Step 3: Cross multiply
    20,017,712.16x = 30,026,571.36 × 4,871,643.60
  4. Step 4: Simplify right side
    20,017,712.16x = 146,278,754,195,887.28
  5. Step 5: Solve for x
    x = 146,278,754,195,887.28/20,017,712.16
  6. Step 6: Final answer
    x = 7,307,466.16

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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.