Home / 12,508,219.20-18,762,328.80-8,526,907.20

Finding the Fourth Proportional to 12,508,219.20, 18,762,328.80 and 8,526,907.20

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Solution

The fourth proportional to 12,508,219.20, 18,762,328.80 and 8,526,907.20 is: 12,790,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,219.20 : 18,762,328.80 = 8,526,907.20 : x
  2. Step 2: Convert to fraction form
    12,508,219.20/18,762,328.80 = 8,526,907.20/x
  3. Step 3: Cross multiply
    12,508,219.20x = 18,762,328.80 × 8,526,907.20
  4. Step 4: Simplify right side
    12,508,219.20x = 159,984,636,533,487.34
  5. Step 5: Solve for x
    x = 159,984,636,533,487.34/12,508,219.20
  6. Step 6: Final answer
    x = 12,790,360.80

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1.5x scale

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.