Home / 7,128,034.80-10,678,055.40-4,860,553.20

Finding the Fourth Proportional to 7,128,034.80, 10,678,055.40 and 4,860,553.20

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Solution

The fourth proportional to 7,128,034.80, 10,678,055.40 and 4,860,553.20 is: 7,281,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,034.80 : 10,678,055.40 = 4,860,553.20 : x
  2. Step 2: Convert to fraction form
    7,128,034.80/10,678,055.40 = 4,860,553.20/x
  3. Step 3: Cross multiply
    7,128,034.80x = 10,678,055.40 × 4,860,553.20
  4. Step 4: Simplify right side
    7,128,034.80x = 51,901,256,344,247.28
  5. Step 5: Solve for x
    x = 51,901,256,344,247.28/7,128,034.80
  6. Step 6: Final answer
    x = 7,281,285.49

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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.