Home / 12,008,325.53-16,570,421.71-7,112,757.47

Finding the Fourth Proportional to 12,008,325.53, 16,570,421.71 and 7,112,757.47

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Solution

The fourth proportional to 12,008,325.53, 16,570,421.71 and 7,112,757.47 is: 9,814,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,325.53 : 16,570,421.71 = 7,112,757.47 : x
  2. Step 2: Convert to fraction form
    12,008,325.53/16,570,421.71 = 7,112,757.47/x
  3. Step 3: Cross multiply
    12,008,325.53x = 16,570,421.71 × 7,112,757.47
  4. Step 4: Simplify right side
    12,008,325.53x = 117,861,390,791,427.30
  5. Step 5: Solve for x
    x = 117,861,390,791,427.30/12,008,325.53
  6. Step 6: Final answer
    x = 9,814,972.99

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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.