Home / 8,328,004.60-12,492,006.90-5,136,734.20

Finding the Fourth Proportional to 8,328,004.60, 12,492,006.90 and 5,136,734.20

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Solution

The fourth proportional to 8,328,004.60, 12,492,006.90 and 5,136,734.20 is: 7,705,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,004.60 : 12,492,006.90 = 5,136,734.20 : x
  2. Step 2: Convert to fraction form
    8,328,004.60/12,492,006.90 = 5,136,734.20/x
  3. Step 3: Cross multiply
    8,328,004.60x = 12,492,006.90 × 5,136,734.20
  4. Step 4: Simplify right side
    8,328,004.60x = 64,168,119,069,865.98
  5. Step 5: Solve for x
    x = 64,168,119,069,865.98/8,328,004.60
  6. Step 6: Final answer
    x = 7,705,101.30

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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.