Home / 13,268,907.61-18,311,681.68-7,468,065.07

Finding the Fourth Proportional to 13,268,907.61, 18,311,681.68 and 7,468,065.07

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Solution

The fourth proportional to 13,268,907.61, 18,311,681.68 and 7,468,065.07 is: 10,306,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,907.61 : 18,311,681.68 = 7,468,065.07 : x
  2. Step 2: Convert to fraction form
    13,268,907.61/18,311,681.68 = 7,468,065.07/x
  3. Step 3: Cross multiply
    13,268,907.61x = 18,311,681.68 × 7,468,065.07
  4. Step 4: Simplify right side
    13,268,907.61x = 136,752,830,327,366.92
  5. Step 5: Solve for x
    x = 136,752,830,327,366.92/13,268,907.61
  6. Step 6: Final answer
    x = 10,306,261.40

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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.