Home / 9,742,169.28-13,444,219.74-5,391,555.60

Finding the Fourth Proportional to 9,742,169.28, 13,444,219.74 and 5,391,555.60

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Solution

The fourth proportional to 9,742,169.28, 13,444,219.74 and 5,391,555.60 is: 7,440,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,169.28 : 13,444,219.74 = 5,391,555.60 : x
  2. Step 2: Convert to fraction form
    9,742,169.28/13,444,219.74 = 5,391,555.60/x
  3. Step 3: Cross multiply
    9,742,169.28x = 13,444,219.74 × 5,391,555.60
  4. Step 4: Simplify right side
    9,742,169.28x = 72,485,258,226,827.55
  5. Step 5: Solve for x
    x = 72,485,258,226,827.55/9,742,169.28
  6. Step 6: Final answer
    x = 7,440,361.19

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1.5x scale

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.