Home / 7,210,113.22-9,949,955.45-3,946,930.14

Finding the Fourth Proportional to 7,210,113.22, 9,949,955.45 and 3,946,930.14

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Solution

The fourth proportional to 7,210,113.22, 9,949,955.45 and 3,946,930.14 is: 5,446,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,113.22 : 9,949,955.45 = 3,946,930.14 : x
  2. Step 2: Convert to fraction form
    7,210,113.22/9,949,955.45 = 3,946,930.14/x
  3. Step 3: Cross multiply
    7,210,113.22x = 9,949,955.45 × 3,946,930.14
  4. Step 4: Simplify right side
    7,210,113.22x = 39,271,779,037,527.62
  5. Step 5: Solve for x
    x = 39,271,779,037,527.62/7,210,113.22
  6. Step 6: Final answer
    x = 5,446,763.16

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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.