Home / 13,362,279.21-18,440,353.92-7,854,643.53

Finding the Fourth Proportional to 13,362,279.21, 18,440,353.92 and 7,854,643.53

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Solution

The fourth proportional to 13,362,279.21, 18,440,353.92 and 7,854,643.53 is: 10,839,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,279.21 : 18,440,353.92 = 7,854,643.53 : x
  2. Step 2: Convert to fraction form
    13,362,279.21/18,440,353.92 = 7,854,643.53/x
  3. Step 3: Cross multiply
    13,362,279.21x = 18,440,353.92 × 7,854,643.53
  4. Step 4: Simplify right side
    13,362,279.21x = 144,842,406,608,638.16
  5. Step 5: Solve for x
    x = 144,842,406,608,638.16/13,362,279.21
  6. Step 6: Final answer
    x = 10,839,648.26

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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.