Home / 8,939,507-12,334,368.30-5,268,569.72

Finding the Fourth Proportional to 8,939,507, 12,334,368.30 and 5,268,569.72

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Solution

The fourth proportional to 8,939,507, 12,334,368.30 and 5,268,569.72 is: 7,269,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,507 : 12,334,368.30 = 5,268,569.72 : x
  2. Step 2: Convert to fraction form
    8,939,507/12,334,368.30 = 5,268,569.72/x
  3. Step 3: Cross multiply
    8,939,507x = 12,334,368.30 × 5,268,569.72
  4. Step 4: Simplify right side
    8,939,507x = 64,984,479,340,707.88
  5. Step 5: Solve for x
    x = 64,984,479,340,707.88/8,939,507
  6. Step 6: Final answer
    x = 7,269,358.29

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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.