Home / 8,742,986.44-13,115,578.29-4,693,908.76

Finding the Fourth Proportional to 8,742,986.44, 13,115,578.29 and 4,693,908.76

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Solution

The fourth proportional to 8,742,986.44, 13,115,578.29 and 4,693,908.76 is: 7,041,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,986.44 : 13,115,578.29 = 4,693,908.76 : x
  2. Step 2: Convert to fraction form
    8,742,986.44/13,115,578.29 = 4,693,908.76/x
  3. Step 3: Cross multiply
    8,742,986.44x = 13,115,578.29 × 4,693,908.76
  4. Step 4: Simplify right side
    8,742,986.44x = 61,563,327,827,896.81
  5. Step 5: Solve for x
    x = 61,563,327,827,896.81/8,742,986.44
  6. Step 6: Final answer
    x = 7,041,452.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.