Home / 12,706,763.40-19,060,145.10-3,122,017.20

Finding the Fourth Proportional to 12,706,763.40, 19,060,145.10 and 3,122,017.20

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Solution

The fourth proportional to 12,706,763.40, 19,060,145.10 and 3,122,017.20 is: 4,683,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706,763.40 : 19,060,145.10 = 3,122,017.20 : x
  2. Step 2: Convert to fraction form
    12,706,763.40/19,060,145.10 = 3,122,017.20/x
  3. Step 3: Cross multiply
    12,706,763.40x = 19,060,145.10 × 3,122,017.20
  4. Step 4: Simplify right side
    12,706,763.40x = 59,506,100,836,695.73
  5. Step 5: Solve for x
    x = 59,506,100,836,695.73/12,706,763.40
  6. Step 6: Final answer
    x = 4,683,025.80

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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.