Home / 6,971,216.80-10,457,132.40-3,938,538.40

Finding the Fourth Proportional to 6,971,216.80, 10,457,132.40 and 3,938,538.40

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Solution

The fourth proportional to 6,971,216.80, 10,457,132.40 and 3,938,538.40 is: 5,907,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,216.80 : 10,457,132.40 = 3,938,538.40 : x
  2. Step 2: Convert to fraction form
    6,971,216.80/10,457,132.40 = 3,938,538.40/x
  3. Step 3: Cross multiply
    6,971,216.80x = 10,457,132.40 × 3,938,538.40
  4. Step 4: Simplify right side
    6,971,216.80x = 41,185,817,511,284.16
  5. Step 5: Solve for x
    x = 41,185,817,511,284.16/6,971,216.80
  6. Step 6: Final answer
    x = 5,907,981.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.