Home / 28,337,804.64-39,111,433.20-16,113,932.64

Finding the Fourth Proportional to 28,337,804.64, 39,111,433.20 and 16,113,932.64

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Solution

The fourth proportional to 28,337,804.64, 39,111,433.20 and 16,113,932.64 is: 22,240,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337,804.64 : 39,111,433.20 = 16,113,932.64 : x
  2. Step 2: Convert to fraction form
    28,337,804.64/39,111,433.20 = 16,113,932.64/x
  3. Step 3: Cross multiply
    28,337,804.64x = 39,111,433.20 × 16,113,932.64
  4. Step 4: Simplify right side
    28,337,804.64x = 630,239,000,038,659.75
  5. Step 5: Solve for x
    x = 630,239,000,038,659.75/28,337,804.64
  6. Step 6: Final answer
    x = 22,240,219.67

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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.