Home / 12,506,516.64-17,258,985.36-6,783,380.64

Finding the Fourth Proportional to 12,506,516.64, 17,258,985.36 and 6,783,380.64

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Solution

The fourth proportional to 12,506,516.64, 17,258,985.36 and 6,783,380.64 is: 9,361,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,516.64 : 17,258,985.36 = 6,783,380.64 : x
  2. Step 2: Convert to fraction form
    12,506,516.64/17,258,985.36 = 6,783,380.64/x
  3. Step 3: Cross multiply
    12,506,516.64x = 17,258,985.36 × 6,783,380.64
  4. Step 4: Simplify right side
    12,506,516.64x = 117,074,267,157,067.42
  5. Step 5: Solve for x
    x = 117,074,267,157,067.42/12,506,516.64
  6. Step 6: Final answer
    x = 9,361,061.16

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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.