Home / 9,742,190.40-13,444,248.78-5,391,576.72

Finding the Fourth Proportional to 9,742,190.40, 13,444,248.78 and 5,391,576.72

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Solution

The fourth proportional to 9,742,190.40, 13,444,248.78 and 5,391,576.72 is: 7,440,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,190.40 : 13,444,248.78 = 5,391,576.72 : x
  2. Step 2: Convert to fraction form
    9,742,190.40/13,444,248.78 = 5,391,576.72/x
  3. Step 3: Cross multiply
    9,742,190.40x = 13,444,248.78 × 5,391,576.72
  4. Step 4: Simplify right side
    9,742,190.40x = 72,485,698,740,136.39
  5. Step 5: Solve for x
    x = 72,485,698,740,136.39/9,742,190.40
  6. Step 6: Final answer
    x = 7,440,390.28

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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.