Home / 30,823,395.84-46,237,252.80-12,379,342.40

Finding the Fourth Proportional to 30,823,395.84, 46,237,252.80 and 12,379,342.40

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Solution

The fourth proportional to 30,823,395.84, 46,237,252.80 and 12,379,342.40 is: 18,569,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823,395.84 : 46,237,252.80 = 12,379,342.40 : x
  2. Step 2: Convert to fraction form
    30,823,395.84/46,237,252.80 = 12,379,342.40/x
  3. Step 3: Cross multiply
    30,823,395.84x = 46,237,252.80 × 12,379,342.40
  4. Step 4: Simplify right side
    30,823,395.84x = 572,386,784,046,558.75
  5. Step 5: Solve for x
    x = 572,386,784,046,558.75/30,823,395.84
  6. Step 6: Final answer
    x = 18,569,880.72

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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.