Home / 7,892,443.40-11,838,665.10-3,640,915.40

Finding the Fourth Proportional to 7,892,443.40, 11,838,665.10 and 3,640,915.40

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Solution

The fourth proportional to 7,892,443.40, 11,838,665.10 and 3,640,915.40 is: 5,461,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,443.40 : 11,838,665.10 = 3,640,915.40 : x
  2. Step 2: Convert to fraction form
    7,892,443.40/11,838,665.10 = 3,640,915.40/x
  3. Step 3: Cross multiply
    7,892,443.40x = 11,838,665.10 × 3,640,915.40
  4. Step 4: Simplify right side
    7,892,443.40x = 43,103,578,078,032.54
  5. Step 5: Solve for x
    x = 43,103,578,078,032.54/7,892,443.40
  6. Step 6: Final answer
    x = 5,461,373.10

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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.