Home / 13,608,581.40-18,779,632.38-7,497,228.60

Finding the Fourth Proportional to 13,608,581.40, 18,779,632.38 and 7,497,228.60

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Solution

The fourth proportional to 13,608,581.40, 18,779,632.38 and 7,497,228.60 is: 10,346,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,581.40 : 18,779,632.38 = 7,497,228.60 : x
  2. Step 2: Convert to fraction form
    13,608,581.40/18,779,632.38 = 7,497,228.60/x
  3. Step 3: Cross multiply
    13,608,581.40x = 18,779,632.38 × 7,497,228.60
  4. Step 4: Simplify right side
    13,608,581.40x = 140,795,196,976,822.06
  5. Step 5: Solve for x
    x = 140,795,196,976,822.06/13,608,581.40
  6. Step 6: Final answer
    x = 10,346,059.80

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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.