Home / 12,974,171.60-19,461,257.40-8,196,597.20

Finding the Fourth Proportional to 12,974,171.60, 19,461,257.40 and 8,196,597.20

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Solution

The fourth proportional to 12,974,171.60, 19,461,257.40 and 8,196,597.20 is: 12,294,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,171.60 : 19,461,257.40 = 8,196,597.20 : x
  2. Step 2: Convert to fraction form
    12,974,171.60/19,461,257.40 = 8,196,597.20/x
  3. Step 3: Cross multiply
    12,974,171.60x = 19,461,257.40 × 8,196,597.20
  4. Step 4: Simplify right side
    12,974,171.60x = 159,516,087,913,319.28
  5. Step 5: Solve for x
    x = 159,516,087,913,319.28/12,974,171.60
  6. Step 6: Final answer
    x = 12,294,895.80

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Double scale
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Similar ratio
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1.5x scale

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.