Home / 9,742,154.31-13,444,199.01-5,391,540.63

Finding the Fourth Proportional to 9,742,154.31, 13,444,199.01 and 5,391,540.63

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Solution

The fourth proportional to 9,742,154.31, 13,444,199.01 and 5,391,540.63 is: 7,440,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,154.31 : 13,444,199.01 = 5,391,540.63 : x
  2. Step 2: Convert to fraction form
    9,742,154.31/13,444,199.01 = 5,391,540.63/x
  3. Step 3: Cross multiply
    9,742,154.31x = 13,444,199.01 × 5,391,540.63
  4. Step 4: Simplify right side
    9,742,154.31x = 72,484,945,200,220.78
  5. Step 5: Solve for x
    x = 72,484,945,200,220.78/9,742,154.31
  6. Step 6: Final answer
    x = 7,440,340.49

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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.