Home / 13,039,641.32-17,993,804.94-7,237,966.40

Finding the Fourth Proportional to 13,039,641.32, 17,993,804.94 and 7,237,966.40

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Solution

The fourth proportional to 13,039,641.32, 17,993,804.94 and 7,237,966.40 is: 9,987,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,641.32 : 17,993,804.94 = 7,237,966.40 : x
  2. Step 2: Convert to fraction form
    13,039,641.32/17,993,804.94 = 7,237,966.40/x
  3. Step 3: Cross multiply
    13,039,641.32x = 17,993,804.94 × 7,237,966.40
  4. Step 4: Simplify right side
    13,039,641.32x = 130,238,555,563,874.03
  5. Step 5: Solve for x
    x = 130,238,555,563,874.03/13,039,641.32
  6. Step 6: Final answer
    x = 9,987,894.02

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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.