Home / 14,666,651.79-20,242,484.34-8,470,584.86

Finding the Fourth Proportional to 14,666,651.79, 20,242,484.34 and 8,470,584.86

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Solution

The fourth proportional to 14,666,651.79, 20,242,484.34 and 8,470,584.86 is: 11,690,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,651.79 : 20,242,484.34 = 8,470,584.86 : x
  2. Step 2: Convert to fraction form
    14,666,651.79/20,242,484.34 = 8,470,584.86/x
  3. Step 3: Cross multiply
    14,666,651.79x = 20,242,484.34 × 8,470,584.86
  4. Step 4: Simplify right side
    14,666,651.79x = 171,465,681,355,444.78
  5. Step 5: Solve for x
    x = 171,465,681,355,444.78/14,666,651.79
  6. Step 6: Final answer
    x = 11,690,853.77

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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.