Home / 12,776,853.60-19,165,280.40-11,853,064.80

Finding the Fourth Proportional to 12,776,853.60, 19,165,280.40 and 11,853,064.80

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Solution

The fourth proportional to 12,776,853.60, 19,165,280.40 and 11,853,064.80 is: 17,779,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,853.60 : 19,165,280.40 = 11,853,064.80 : x
  2. Step 2: Convert to fraction form
    12,776,853.60/19,165,280.40 = 11,853,064.80/x
  3. Step 3: Cross multiply
    12,776,853.60x = 19,165,280.40 × 11,853,064.80
  4. Step 4: Simplify right side
    12,776,853.60x = 227,167,310,491,369.91
  5. Step 5: Solve for x
    x = 227,167,310,491,369.91/12,776,853.60
  6. Step 6: Final answer
    x = 17,779,597.20

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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.