Home / 20,732,543.60-31,084,818.60-11,018,764.40

Finding the Fourth Proportional to 20,732,543.60, 31,084,818.60 and 11,018,764.40

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Solution

The fourth proportional to 20,732,543.60, 31,084,818.60 and 11,018,764.40 is: 16,520,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,543.60 : 31,084,818.60 = 11,018,764.40 : x
  2. Step 2: Convert to fraction form
    20,732,543.60/31,084,818.60 = 11,018,764.40/x
  3. Step 3: Cross multiply
    20,732,543.60x = 31,084,818.60 × 11,018,764.40
  4. Step 4: Simplify right side
    20,732,543.60x = 342,516,292,570,137.88
  5. Step 5: Solve for x
    x = 342,516,292,570,137.88/20,732,543.60
  6. Step 6: Final answer
    x = 16,520,707.69

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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.