Home / 13,618,607.76-18,793,804.68-7,507,254.96

Finding the Fourth Proportional to 13,618,607.76, 18,793,804.68 and 7,507,254.96

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Solution

The fourth proportional to 13,618,607.76, 18,793,804.68 and 7,507,254.96 is: 10,360,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618,607.76 : 18,793,804.68 = 7,507,254.96 : x
  2. Step 2: Convert to fraction form
    13,618,607.76/18,793,804.68 = 7,507,254.96/x
  3. Step 3: Cross multiply
    13,618,607.76x = 18,793,804.68 × 7,507,254.96
  4. Step 4: Simplify right side
    13,618,607.76x = 141,089,883,401,201.22
  5. Step 5: Solve for x
    x = 141,089,883,401,201.22/13,618,607.76
  6. Step 6: Final answer
    x = 10,360,081.29

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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.