Home / 19,134,419.30-26,416,243.80-13,262,586.74

Finding the Fourth Proportional to 19,134,419.30, 26,416,243.80 and 13,262,586.74

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Solution

The fourth proportional to 19,134,419.30, 26,416,243.80 and 13,262,586.74 is: 18,309,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134,419.30 : 26,416,243.80 = 13,262,586.74 : x
  2. Step 2: Convert to fraction form
    19,134,419.30/26,416,243.80 = 13,262,586.74/x
  3. Step 3: Cross multiply
    19,134,419.30x = 26,416,243.80 × 13,262,586.74
  4. Step 4: Simplify right side
    19,134,419.30x = 350,347,724,742,487.25
  5. Step 5: Solve for x
    x = 350,347,724,742,487.25/19,134,419.30
  6. Step 6: Final answer
    x = 18,309,817.47

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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.