Home / 7,499,912.40-10,349,830.80-4,237,783.20

Finding the Fourth Proportional to 7,499,912.40, 10,349,830.80 and 4,237,783.20

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Solution

The fourth proportional to 7,499,912.40, 10,349,830.80 and 4,237,783.20 is: 5,848,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499,912.40 : 10,349,830.80 = 4,237,783.20 : x
  2. Step 2: Convert to fraction form
    7,499,912.40/10,349,830.80 = 4,237,783.20/x
  3. Step 3: Cross multiply
    7,499,912.40x = 10,349,830.80 × 4,237,783.20
  4. Step 4: Simplify right side
    7,499,912.40x = 43,860,339,087,082.56
  5. Step 5: Solve for x
    x = 43,860,339,087,082.56/7,499,912.40
  6. Step 6: Final answer
    x = 5,848,113.52

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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.