Home / 8,780,592.40-12,119,099.88-5,343,940.24

Finding the Fourth Proportional to 8,780,592.40, 12,119,099.88 and 5,343,940.24

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Solution

The fourth proportional to 8,780,592.40, 12,119,099.88 and 5,343,940.24 is: 7,375,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,592.40 : 12,119,099.88 = 5,343,940.24 : x
  2. Step 2: Convert to fraction form
    8,780,592.40/12,119,099.88 = 5,343,940.24/x
  3. Step 3: Cross multiply
    8,780,592.40x = 12,119,099.88 × 5,343,940.24
  4. Step 4: Simplify right side
    8,780,592.40x = 64,763,745,521,311.18
  5. Step 5: Solve for x
    x = 64,763,745,521,311.18/8,780,592.40
  6. Step 6: Final answer
    x = 7,375,783.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.