Home / 12,949,065.40-19,426,190.10-3,851,145.40

Finding the Fourth Proportional to 12,949,065.40, 19,426,190.10 and 3,851,145.40

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Solution

The fourth proportional to 12,949,065.40, 19,426,190.10 and 3,851,145.40 is: 5,777,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,065.40 : 19,426,190.10 = 3,851,145.40 : x
  2. Step 2: Convert to fraction form
    12,949,065.40/19,426,190.10 = 3,851,145.40/x
  3. Step 3: Cross multiply
    12,949,065.40x = 19,426,190.10 × 3,851,145.40
  4. Step 4: Simplify right side
    12,949,065.40x = 74,813,082,643,140.55
  5. Step 5: Solve for x
    x = 74,813,082,643,140.55/12,949,065.40
  6. Step 6: Final answer
    x = 5,777,488.98

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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.