Home / 7,886,076.30-11,829,114.45-7,407,779.40

Finding the Fourth Proportional to 7,886,076.30, 11,829,114.45 and 7,407,779.40

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Solution

The fourth proportional to 7,886,076.30, 11,829,114.45 and 7,407,779.40 is: 11,111,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,076.30 : 11,829,114.45 = 7,407,779.40 : x
  2. Step 2: Convert to fraction form
    7,886,076.30/11,829,114.45 = 7,407,779.40/x
  3. Step 3: Cross multiply
    7,886,076.30x = 11,829,114.45 × 7,407,779.40
  4. Step 4: Simplify right side
    7,886,076.30x = 87,627,470,342,952.33
  5. Step 5: Solve for x
    x = 87,627,470,342,952.33/7,886,076.30
  6. Step 6: Final answer
    x = 11,111,669.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.