Home / 28,898,941.46-39,901,461.44-18,603,598.86

Finding the Fourth Proportional to 28,898,941.46, 39,901,461.44 and 18,603,598.86

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Solution

The fourth proportional to 28,898,941.46, 39,901,461.44 and 18,603,598.86 is: 25,686,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898,941.46 : 39,901,461.44 = 18,603,598.86 : x
  2. Step 2: Convert to fraction form
    28,898,941.46/39,901,461.44 = 18,603,598.86/x
  3. Step 3: Cross multiply
    28,898,941.46x = 39,901,461.44 × 18,603,598.86
  4. Step 4: Simplify right side
    28,898,941.46x = 742,310,782,464,500
  5. Step 5: Solve for x
    x = 742,310,782,464,500/28,898,941.46
  6. Step 6: Final answer
    x = 25,686,435.04

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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.