Home / 12,144,907.40-18,217,361.10-3,169,459.40

Finding the Fourth Proportional to 12,144,907.40, 18,217,361.10 and 3,169,459.40

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Solution

The fourth proportional to 12,144,907.40, 18,217,361.10 and 3,169,459.40 is: 4,754,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,907.40 : 18,217,361.10 = 3,169,459.40 : x
  2. Step 2: Convert to fraction form
    12,144,907.40/18,217,361.10 = 3,169,459.40/x
  3. Step 3: Cross multiply
    12,144,907.40x = 18,217,361.10 × 3,169,459.40
  4. Step 4: Simplify right side
    12,144,907.40x = 57,739,186,381,589.34
  5. Step 5: Solve for x
    x = 57,739,186,381,589.34/12,144,907.40
  6. Step 6: Final answer
    x = 4,754,189.10

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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.