Home / 12,477,848.78-17,219,114.06-6,971,265

Finding the Fourth Proportional to 12,477,848.78, 17,219,114.06 and 6,971,265

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Solution

The fourth proportional to 12,477,848.78, 17,219,114.06 and 6,971,265 is: 9,620,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,848.78 : 17,219,114.06 = 6,971,265 : x
  2. Step 2: Convert to fraction form
    12,477,848.78/17,219,114.06 = 6,971,265/x
  3. Step 3: Cross multiply
    12,477,848.78x = 17,219,114.06 × 6,971,265
  4. Step 4: Simplify right side
    12,477,848.78x = 120,039,007,142,629.58
  5. Step 5: Solve for x
    x = 120,039,007,142,629.58/12,477,848.78
  6. Step 6: Final answer
    x = 9,620,168.45

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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.