Home / 13,556,665.85-18,708,176.75-7,445,094.35

Finding the Fourth Proportional to 13,556,665.85, 18,708,176.75 and 7,445,094.35

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Solution

The fourth proportional to 13,556,665.85, 18,708,176.75 and 7,445,094.35 is: 10,274,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,665.85 : 18,708,176.75 = 7,445,094.35 : x
  2. Step 2: Convert to fraction form
    13,556,665.85/18,708,176.75 = 7,445,094.35/x
  3. Step 3: Cross multiply
    13,556,665.85x = 18,708,176.75 × 7,445,094.35
  4. Step 4: Simplify right side
    13,556,665.85x = 139,284,140,889,460.02
  5. Step 5: Solve for x
    x = 139,284,140,889,460.02/13,556,665.85
  6. Step 6: Final answer
    x = 10,274,218.05

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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.