Home / 12,349,747.89-18,521,019.36-4,151,463.45

Finding the Fourth Proportional to 12,349,747.89, 18,521,019.36 and 4,151,463.45

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Solution

The fourth proportional to 12,349,747.89, 18,521,019.36 and 4,151,463.45 is: 6,225,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,747.89 : 18,521,019.36 = 4,151,463.45 : x
  2. Step 2: Convert to fraction form
    12,349,747.89/18,521,019.36 = 4,151,463.45/x
  3. Step 3: Cross multiply
    12,349,747.89x = 18,521,019.36 × 4,151,463.45
  4. Step 4: Simplify right side
    12,349,747.89x = 76,889,334,860,328.56
  5. Step 5: Solve for x
    x = 76,889,334,860,328.56/12,349,747.89
  6. Step 6: Final answer
    x = 6,225,984.17

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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.