Home / 11,405,242-15,735,358.92-6,506,945.20

Finding the Fourth Proportional to 11,405,242, 15,735,358.92 and 6,506,945.20

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Solution

The fourth proportional to 11,405,242, 15,735,358.92 and 6,506,945.20 is: 8,977,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405,242 : 15,735,358.92 = 6,506,945.20 : x
  2. Step 2: Convert to fraction form
    11,405,242/15,735,358.92 = 6,506,945.20/x
  3. Step 3: Cross multiply
    11,405,242x = 15,735,358.92 × 6,506,945.20
  4. Step 4: Simplify right side
    11,405,242x = 102,389,118,194,771.19
  5. Step 5: Solve for x
    x = 102,389,118,194,771.19/11,405,242
  6. Step 6: Final answer
    x = 8,977,373.58

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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.