Home / 7,658,925.10-11,476,577.85-6,643,282.30

Finding the Fourth Proportional to 7,658,925.10, 11,476,577.85 and 6,643,282.30

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Solution

The fourth proportional to 7,658,925.10, 11,476,577.85 and 6,643,282.30 is: 9,954,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,925.10 : 11,476,577.85 = 6,643,282.30 : x
  2. Step 2: Convert to fraction form
    7,658,925.10/11,476,577.85 = 6,643,282.30/x
  3. Step 3: Cross multiply
    7,658,925.10x = 11,476,577.85 × 6,643,282.30
  4. Step 4: Simplify right side
    7,658,925.10x = 76,242,146,495,477.05
  5. Step 5: Solve for x
    x = 76,242,146,495,477.05/7,658,925.10
  6. Step 6: Final answer
    x = 9,954,679.74

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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.