Home / 13,030,211.54-17,983,850.46-7,230,856.16

Finding the Fourth Proportional to 13,030,211.54, 17,983,850.46 and 7,230,856.16

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Solution

The fourth proportional to 13,030,211.54, 17,983,850.46 and 7,230,856.16 is: 9,979,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,211.54 : 17,983,850.46 = 7,230,856.16 : x
  2. Step 2: Convert to fraction form
    13,030,211.54/17,983,850.46 = 7,230,856.16/x
  3. Step 3: Cross multiply
    13,030,211.54x = 17,983,850.46 × 7,230,856.16
  4. Step 4: Simplify right side
    13,030,211.54x = 130,038,635,879,209.84
  5. Step 5: Solve for x
    x = 130,038,635,879,209.84/13,030,211.54
  6. Step 6: Final answer
    x = 9,979,779.34

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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.