Home / 30,408,364.84-45,612,166.82-7,379,490.14

Finding the Fourth Proportional to 30,408,364.84, 45,612,166.82 and 7,379,490.14

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Solution

The fourth proportional to 30,408,364.84, 45,612,166.82 and 7,379,490.14 is: 11,069,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,364.84 : 45,612,166.82 = 7,379,490.14 : x
  2. Step 2: Convert to fraction form
    30,408,364.84/45,612,166.82 = 7,379,490.14/x
  3. Step 3: Cross multiply
    30,408,364.84x = 45,612,166.82 × 7,379,490.14
  4. Step 4: Simplify right side
    30,408,364.84x = 336,594,535,312,225.12
  5. Step 5: Solve for x
    x = 336,594,535,312,225.12/30,408,364.84
  6. Step 6: Final answer
    x = 11,069,142.88

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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.