Home / 20,254,401.02-30,382,956.07-7,122,250.01

Finding the Fourth Proportional to 20,254,401.02, 30,382,956.07 and 7,122,250.01

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Solution

The fourth proportional to 20,254,401.02, 30,382,956.07 and 7,122,250.01 is: 10,683,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254,401.02 : 30,382,956.07 = 7,122,250.01 : x
  2. Step 2: Convert to fraction form
    20,254,401.02/30,382,956.07 = 7,122,250.01/x
  3. Step 3: Cross multiply
    20,254,401.02x = 30,382,956.07 × 7,122,250.01
  4. Step 4: Simplify right side
    20,254,401.02x = 216,395,009,231,538.81
  5. Step 5: Solve for x
    x = 216,395,009,231,538.81/20,254,401.02
  6. Step 6: Final answer
    x = 10,683,851.33

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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.