Home / 7,630,021.17-10,529,548.67-4,145,428.98

Finding the Fourth Proportional to 7,630,021.17, 10,529,548.67 and 4,145,428.98

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Solution

The fourth proportional to 7,630,021.17, 10,529,548.67 and 4,145,428.98 is: 5,720,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630,021.17 : 10,529,548.67 = 4,145,428.98 : x
  2. Step 2: Convert to fraction form
    7,630,021.17/10,529,548.67 = 4,145,428.98/x
  3. Step 3: Cross multiply
    7,630,021.17x = 10,529,548.67 × 4,145,428.98
  4. Step 4: Simplify right side
    7,630,021.17x = 43,649,496,213,302.02
  5. Step 5: Solve for x
    x = 43,649,496,213,302.02/7,630,021.17
  6. Step 6: Final answer
    x = 5,720,756.89

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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.