Home / 12,761,036.60-19,141,554.90-4,242,687.80

Finding the Fourth Proportional to 12,761,036.60, 19,141,554.90 and 4,242,687.80

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Solution

The fourth proportional to 12,761,036.60, 19,141,554.90 and 4,242,687.80 is: 6,364,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,036.60 : 19,141,554.90 = 4,242,687.80 : x
  2. Step 2: Convert to fraction form
    12,761,036.60/19,141,554.90 = 4,242,687.80/x
  3. Step 3: Cross multiply
    12,761,036.60x = 19,141,554.90 × 4,242,687.80
  4. Step 4: Simplify right side
    12,761,036.60x = 81,211,641,447,260.20
  5. Step 5: Solve for x
    x = 81,211,641,447,260.20/12,761,036.60
  6. Step 6: Final answer
    x = 6,364,031.70

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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.