Home / 13,087,428.98-18,055,977.10-7,577,796.43

Finding the Fourth Proportional to 13,087,428.98, 18,055,977.10 and 7,577,796.43

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Solution

The fourth proportional to 13,087,428.98, 18,055,977.10 and 7,577,796.43 is: 10,454,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,428.98 : 18,055,977.10 = 7,577,796.43 : x
  2. Step 2: Convert to fraction form
    13,087,428.98/18,055,977.10 = 7,577,796.43/x
  3. Step 3: Cross multiply
    13,087,428.98x = 18,055,977.10 × 7,577,796.43
  4. Step 4: Simplify right side
    13,087,428.98x = 136,824,518,744,457.33
  5. Step 5: Solve for x
    x = 136,824,518,744,457.33/13,087,428.98
  6. Step 6: Final answer
    x = 10,454,652.24

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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.