Home / 28,050,729.60-38,707,057.94-16,287,698.60

Finding the Fourth Proportional to 28,050,729.60, 38,707,057.94 and 16,287,698.60

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Solution

The fourth proportional to 28,050,729.60, 38,707,057.94 and 16,287,698.60 is: 22,475,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050,729.60 : 38,707,057.94 = 16,287,698.60 : x
  2. Step 2: Convert to fraction form
    28,050,729.60/38,707,057.94 = 16,287,698.60/x
  3. Step 3: Cross multiply
    28,050,729.60x = 38,707,057.94 × 16,287,698.60
  4. Step 4: Simplify right side
    28,050,729.60x = 630,448,893,144,483.12
  5. Step 5: Solve for x
    x = 630,448,893,144,483.12/28,050,729.60
  6. Step 6: Final answer
    x = 22,475,311.77

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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.