Home / 28,430,819.98-42,646,354.90-9,000,141.44

Finding the Fourth Proportional to 28,430,819.98, 42,646,354.90 and 9,000,141.44

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Solution

The fourth proportional to 28,430,819.98, 42,646,354.90 and 9,000,141.44 is: 13,500,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,819.98 : 42,646,354.90 = 9,000,141.44 : x
  2. Step 2: Convert to fraction form
    28,430,819.98/42,646,354.90 = 9,000,141.44/x
  3. Step 3: Cross multiply
    28,430,819.98x = 42,646,354.90 × 9,000,141.44
  4. Step 4: Simplify right side
    28,430,819.98x = 383,823,225,916,321.56
  5. Step 5: Solve for x
    x = 383,823,225,916,321.56/28,430,819.98
  6. Step 6: Final answer
    x = 13,500,251.71

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1.5x scale

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.