Home / 7,118,631.46-9,824,574.54-4,021,285.42

Finding the Fourth Proportional to 7,118,631.46, 9,824,574.54 and 4,021,285.42

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Solution

The fourth proportional to 7,118,631.46, 9,824,574.54 and 4,021,285.42 is: 5,549,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,631.46 : 9,824,574.54 = 4,021,285.42 : x
  2. Step 2: Convert to fraction form
    7,118,631.46/9,824,574.54 = 4,021,285.42/x
  3. Step 3: Cross multiply
    7,118,631.46x = 9,824,574.54 × 4,021,285.42
  4. Step 4: Simplify right side
    7,118,631.46x = 39,507,418,355,405.20
  5. Step 5: Solve for x
    x = 39,507,418,355,405.20/7,118,631.46
  6. Step 6: Final answer
    x = 5,549,861.46

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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.