Home / 28,892,361.60-43,340,307.84-9,721,509.12

Finding the Fourth Proportional to 28,892,361.60, 43,340,307.84 and 9,721,509.12

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Solution

The fourth proportional to 28,892,361.60, 43,340,307.84 and 9,721,509.12 is: 14,582,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892,361.60 : 43,340,307.84 = 9,721,509.12 : x
  2. Step 2: Convert to fraction form
    28,892,361.60/43,340,307.84 = 9,721,509.12/x
  3. Step 3: Cross multiply
    28,892,361.60x = 43,340,307.84 × 9,721,509.12
  4. Step 4: Simplify right side
    28,892,361.60x = 421,333,197,930,167.50
  5. Step 5: Solve for x
    x = 421,333,197,930,167.50/28,892,361.60
  6. Step 6: Final answer
    x = 14,582,857.70

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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.