Home / 14,586,157.50-20,128,890.68-8,059,729.86

Finding the Fourth Proportional to 14,586,157.50, 20,128,890.68 and 8,059,729.86

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Solution

The fourth proportional to 14,586,157.50, 20,128,890.68 and 8,059,729.86 is: 11,122,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586,157.50 : 20,128,890.68 = 8,059,729.86 : x
  2. Step 2: Convert to fraction form
    14,586,157.50/20,128,890.68 = 8,059,729.86/x
  3. Step 3: Cross multiply
    14,586,157.50x = 20,128,890.68 × 8,059,729.86
  4. Step 4: Simplify right side
    14,586,157.50x = 162,233,421,262,271.72
  5. Step 5: Solve for x
    x = 162,233,421,262,271.72/14,586,157.50
  6. Step 6: Final answer
    x = 11,122,423.52

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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.