Home / 30,832,343.50-46,244,915.20-12,387,541.84

Finding the Fourth Proportional to 30,832,343.50, 46,244,915.20 and 12,387,541.84

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Solution

The fourth proportional to 30,832,343.50, 46,244,915.20 and 12,387,541.84 is: 18,579,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832,343.50 : 46,244,915.20 = 12,387,541.84 : x
  2. Step 2: Convert to fraction form
    30,832,343.50/46,244,915.20 = 12,387,541.84/x
  3. Step 3: Cross multiply
    30,832,343.50x = 46,244,915.20 × 12,387,541.84
  4. Step 4: Simplify right side
    30,832,343.50x = 572,860,821,927,252
  5. Step 5: Solve for x
    x = 572,860,821,927,252/30,832,343.50
  6. Step 6: Final answer
    x = 18,579,866.36

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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.