Home / 7,448,938.60-11,173,407.90-6,645,872.20

Finding the Fourth Proportional to 7,448,938.60, 11,173,407.90 and 6,645,872.20

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Solution

The fourth proportional to 7,448,938.60, 11,173,407.90 and 6,645,872.20 is: 9,968,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,938.60 : 11,173,407.90 = 6,645,872.20 : x
  2. Step 2: Convert to fraction form
    7,448,938.60/11,173,407.90 = 6,645,872.20/x
  3. Step 3: Cross multiply
    7,448,938.60x = 11,173,407.90 × 6,645,872.20
  4. Step 4: Simplify right side
    7,448,938.60x = 74,257,040,941,870.39
  5. Step 5: Solve for x
    x = 74,257,040,941,870.39/7,448,938.60
  6. Step 6: Final answer
    x = 9,968,808.30

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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.