Home / 15,686,506.86-23,533,543.11-5,449,876.77

Finding the Fourth Proportional to 15,686,506.86, 23,533,543.11 and 5,449,876.77

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Solution

The fourth proportional to 15,686,506.86, 23,533,543.11 and 5,449,876.77 is: 8,176,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,506.86 : 23,533,543.11 = 5,449,876.77 : x
  2. Step 2: Convert to fraction form
    15,686,506.86/23,533,543.11 = 5,449,876.77/x
  3. Step 3: Cross multiply
    15,686,506.86x = 23,533,543.11 × 5,449,876.77
  4. Step 4: Simplify right side
    15,686,506.86x = 128,254,909,910,982.55
  5. Step 5: Solve for x
    x = 128,254,909,910,982.55/15,686,506.86
  6. Step 6: Final answer
    x = 8,176,129.40

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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.