Home / 12,445,246.84-17,168,336.32-8,316,291.64

Finding the Fourth Proportional to 12,445,246.84, 17,168,336.32 and 8,316,291.64

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Solution

The fourth proportional to 12,445,246.84, 17,168,336.32 and 8,316,291.64 is: 11,472,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,246.84 : 17,168,336.32 = 8,316,291.64 : x
  2. Step 2: Convert to fraction form
    12,445,246.84/17,168,336.32 = 8,316,291.64/x
  3. Step 3: Cross multiply
    12,445,246.84x = 17,168,336.32 × 8,316,291.64
  4. Step 4: Simplify right side
    12,445,246.84x = 142,776,891,810,724.38
  5. Step 5: Solve for x
    x = 142,776,891,810,724.38/12,445,246.84
  6. Step 6: Final answer
    x = 11,472,403.37

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1.5x scale

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.