Home / 13,474,720.20-20,212,955.10-7,097,428.20

Finding the Fourth Proportional to 13,474,720.20, 20,212,955.10 and 7,097,428.20

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Solution

The fourth proportional to 13,474,720.20, 20,212,955.10 and 7,097,428.20 is: 10,646,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,720.20 : 20,212,955.10 = 7,097,428.20 : x
  2. Step 2: Convert to fraction form
    13,474,720.20/20,212,955.10 = 7,097,428.20/x
  3. Step 3: Cross multiply
    13,474,720.20x = 20,212,955.10 × 7,097,428.20
  4. Step 4: Simplify right side
    13,474,720.20x = 143,459,997,532,073.84
  5. Step 5: Solve for x
    x = 143,459,997,532,073.84/13,474,720.20
  6. Step 6: Final answer
    x = 10,646,603.08

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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.