Home / 30,078,356.48-45,119,289.18-8,511,153.92

Finding the Fourth Proportional to 30,078,356.48, 45,119,289.18 and 8,511,153.92

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Solution

The fourth proportional to 30,078,356.48, 45,119,289.18 and 8,511,153.92 is: 12,767,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078,356.48 : 45,119,289.18 = 8,511,153.92 : x
  2. Step 2: Convert to fraction form
    30,078,356.48/45,119,289.18 = 8,511,153.92/x
  3. Step 3: Cross multiply
    30,078,356.48x = 45,119,289.18 × 8,511,153.92
  4. Step 4: Simplify right side
    30,078,356.48x = 384,017,214,971,970.56
  5. Step 5: Solve for x
    x = 384,017,214,971,970.56/30,078,356.48
  6. Step 6: Final answer
    x = 12,767,227.33

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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.