Home / 19,440,123.40-29,160,185.10-12,228,272.20

Finding the Fourth Proportional to 19,440,123.40, 29,160,185.10 and 12,228,272.20

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Solution

The fourth proportional to 19,440,123.40, 29,160,185.10 and 12,228,272.20 is: 18,342,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,123.40 : 29,160,185.10 = 12,228,272.20 : x
  2. Step 2: Convert to fraction form
    19,440,123.40/29,160,185.10 = 12,228,272.20/x
  3. Step 3: Cross multiply
    19,440,123.40x = 29,160,185.10 × 12,228,272.20
  4. Step 4: Simplify right side
    19,440,123.40x = 356,578,680,805,184.19
  5. Step 5: Solve for x
    x = 356,578,680,805,184.19/19,440,123.40
  6. Step 6: Final answer
    x = 18,342,408.30

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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.