Home / 13,435,051-18,539,443.62-7,555,563.88

Finding the Fourth Proportional to 13,435,051, 18,539,443.62 and 7,555,563.88

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Solution

The fourth proportional to 13,435,051, 18,539,443.62 and 7,555,563.88 is: 10,426,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,051 : 18,539,443.62 = 7,555,563.88 : x
  2. Step 2: Convert to fraction form
    13,435,051/18,539,443.62 = 7,555,563.88/x
  3. Step 3: Cross multiply
    13,435,051x = 18,539,443.62 × 7,555,563.88
  4. Step 4: Simplify right side
    13,435,051x = 140,075,950,570,568.45
  5. Step 5: Solve for x
    x = 140,075,950,570,568.45/13,435,051
  6. Step 6: Final answer
    x = 10,426,156.97

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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.