Home / 12,740,582.40-19,118,246.40-4,763,212.80

Finding the Fourth Proportional to 12,740,582.40, 19,118,246.40 and 4,763,212.80

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Solution

The fourth proportional to 12,740,582.40, 19,118,246.40 and 4,763,212.80 is: 7,147,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,582.40 : 19,118,246.40 = 4,763,212.80 : x
  2. Step 2: Convert to fraction form
    12,740,582.40/19,118,246.40 = 4,763,212.80/x
  3. Step 3: Cross multiply
    12,740,582.40x = 19,118,246.40 × 4,763,212.80
  4. Step 4: Simplify right side
    12,740,582.40x = 91,064,275,966,033.91
  5. Step 5: Solve for x
    x = 91,064,275,966,033.91/12,740,582.40
  6. Step 6: Final answer
    x = 7,147,575.61

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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.