Home / 12,939,984.60-19,409,976.90-6,204,931.80

Finding the Fourth Proportional to 12,939,984.60, 19,409,976.90 and 6,204,931.80

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Solution

The fourth proportional to 12,939,984.60, 19,409,976.90 and 6,204,931.80 is: 9,307,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,984.60 : 19,409,976.90 = 6,204,931.80 : x
  2. Step 2: Convert to fraction form
    12,939,984.60/19,409,976.90 = 6,204,931.80/x
  3. Step 3: Cross multiply
    12,939,984.60x = 19,409,976.90 × 6,204,931.80
  4. Step 4: Simplify right side
    12,939,984.60x = 120,437,582,904,075.41
  5. Step 5: Solve for x
    x = 120,437,582,904,075.41/12,939,984.60
  6. Step 6: Final answer
    x = 9,307,397.70

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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.