Home / 12,762,028.40-19,143,042.60-3,786,580.40

Finding the Fourth Proportional to 12,762,028.40, 19,143,042.60 and 3,786,580.40

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Solution

The fourth proportional to 12,762,028.40, 19,143,042.60 and 3,786,580.40 is: 5,679,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,028.40 : 19,143,042.60 = 3,786,580.40 : x
  2. Step 2: Convert to fraction form
    12,762,028.40/19,143,042.60 = 3,786,580.40/x
  3. Step 3: Cross multiply
    12,762,028.40x = 19,143,042.60 × 3,786,580.40
  4. Step 4: Simplify right side
    12,762,028.40x = 72,486,669,905,525.05
  5. Step 5: Solve for x
    x = 72,486,669,905,525.05/12,762,028.40
  6. Step 6: Final answer
    x = 5,679,870.60

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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.