Home / 8,280,376.64-11,426,802.72-4,658,696

Finding the Fourth Proportional to 8,280,376.64, 11,426,802.72 and 4,658,696

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Solution

The fourth proportional to 8,280,376.64, 11,426,802.72 and 4,658,696 is: 6,428,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,376.64 : 11,426,802.72 = 4,658,696 : x
  2. Step 2: Convert to fraction form
    8,280,376.64/11,426,802.72 = 4,658,696/x
  3. Step 3: Cross multiply
    8,280,376.64x = 11,426,802.72 × 4,658,696
  4. Step 4: Simplify right side
    8,280,376.64x = 53,234,000,124,453.12
  5. Step 5: Solve for x
    x = 53,234,000,124,453.12/8,280,376.64
  6. Step 6: Final answer
    x = 6,428,934.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.