Home / 9,329,430.46-12,874,093.52-5,142,980.28

Finding the Fourth Proportional to 9,329,430.46, 12,874,093.52 and 5,142,980.28

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Solution

The fourth proportional to 9,329,430.46, 12,874,093.52 and 5,142,980.28 is: 7,097,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329,430.46 : 12,874,093.52 = 5,142,980.28 : x
  2. Step 2: Convert to fraction form
    9,329,430.46/12,874,093.52 = 5,142,980.28/x
  3. Step 3: Cross multiply
    9,329,430.46x = 12,874,093.52 × 5,142,980.28
  4. Step 4: Simplify right side
    9,329,430.46x = 66,211,209,096,235.79
  5. Step 5: Solve for x
    x = 66,211,209,096,235.79/9,329,430.46
  6. Step 6: Final answer
    x = 7,097,025.85

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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.