Home / 12,558,895.60-18,838,343.40-3,103,279.60

Finding the Fourth Proportional to 12,558,895.60, 18,838,343.40 and 3,103,279.60

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Solution

The fourth proportional to 12,558,895.60, 18,838,343.40 and 3,103,279.60 is: 4,654,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,895.60 : 18,838,343.40 = 3,103,279.60 : x
  2. Step 2: Convert to fraction form
    12,558,895.60/18,838,343.40 = 3,103,279.60/x
  3. Step 3: Cross multiply
    12,558,895.60x = 18,838,343.40 × 3,103,279.60
  4. Step 4: Simplify right side
    12,558,895.60x = 58,460,646,771,014.64
  5. Step 5: Solve for x
    x = 58,460,646,771,014.64/12,558,895.60
  6. Step 6: Final answer
    x = 4,654,919.40

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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.