Home / 15,742,083-21,723,839.02-8,867,233.72

Finding the Fourth Proportional to 15,742,083, 21,723,839.02 and 8,867,233.72

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Solution

The fourth proportional to 15,742,083, 21,723,839.02 and 8,867,233.72 is: 12,236,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,083 : 21,723,839.02 = 8,867,233.72 : x
  2. Step 2: Convert to fraction form
    15,742,083/21,723,839.02 = 8,867,233.72/x
  3. Step 3: Cross multiply
    15,742,083x = 21,723,839.02 × 8,867,233.72
  4. Step 4: Simplify right side
    15,742,083x = 192,630,357,885,995.75
  5. Step 5: Solve for x
    x = 192,630,357,885,995.75/15,742,083
  6. Step 6: Final answer
    x = 12,236,649.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.