Home / 7,901,547.78-10,904,136.30-4,279,875.78

Finding the Fourth Proportional to 7,901,547.78, 10,904,136.30 and 4,279,875.78

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Solution

The fourth proportional to 7,901,547.78, 10,904,136.30 and 4,279,875.78 is: 5,906,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,547.78 : 10,904,136.30 = 4,279,875.78 : x
  2. Step 2: Convert to fraction form
    7,901,547.78/10,904,136.30 = 4,279,875.78/x
  3. Step 3: Cross multiply
    7,901,547.78x = 10,904,136.30 × 4,279,875.78
  4. Step 4: Simplify right side
    7,901,547.78x = 46,668,348,852,188.82
  5. Step 5: Solve for x
    x = 46,668,348,852,188.82/7,901,547.78
  6. Step 6: Final answer
    x = 5,906,228.77

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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.