Home / 30,823,396.84-46,237,254.30-12,379,343.40

Finding the Fourth Proportional to 30,823,396.84, 46,237,254.30 and 12,379,343.40

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Solution

The fourth proportional to 30,823,396.84, 46,237,254.30 and 12,379,343.40 is: 18,569,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823,396.84 : 46,237,254.30 = 12,379,343.40 : x
  2. Step 2: Convert to fraction form
    30,823,396.84/46,237,254.30 = 12,379,343.40/x
  3. Step 3: Cross multiply
    30,823,396.84x = 46,237,254.30 × 12,379,343.40
  4. Step 4: Simplify right side
    30,823,396.84x = 572,386,848,852,826.62
  5. Step 5: Solve for x
    x = 572,386,848,852,826.62/30,823,396.84
  6. Step 6: Final answer
    x = 18,569,882.22

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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.