Home / 13,303,315.40-19,925,481.90-5,321,030.60

Finding the Fourth Proportional to 13,303,315.40, 19,925,481.90 and 5,321,030.60

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Solution

The fourth proportional to 13,303,315.40, 19,925,481.90 and 5,321,030.60 is: 7,969,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,315.40 : 19,925,481.90 = 5,321,030.60 : x
  2. Step 2: Convert to fraction form
    13,303,315.40/19,925,481.90 = 5,321,030.60/x
  3. Step 3: Cross multiply
    13,303,315.40x = 19,925,481.90 × 5,321,030.60
  4. Step 4: Simplify right side
    13,303,315.40x = 106,024,098,909,646.12
  5. Step 5: Solve for x
    x = 106,024,098,909,646.12/13,303,315.40
  6. Step 6: Final answer
    x = 7,969,750.08

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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.