Home / 15,346,295.68-21,177,889.20-8,470,779.52

Finding the Fourth Proportional to 15,346,295.68, 21,177,889.20 and 8,470,779.52

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Solution

The fourth proportional to 15,346,295.68, 21,177,889.20 and 8,470,779.52 is: 11,689,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346,295.68 : 21,177,889.20 = 8,470,779.52 : x
  2. Step 2: Convert to fraction form
    15,346,295.68/21,177,889.20 = 8,470,779.52/x
  3. Step 3: Cross multiply
    15,346,295.68x = 21,177,889.20 × 8,470,779.52
  4. Step 4: Simplify right side
    15,346,295.68x = 179,393,230,112,189.16
  5. Step 5: Solve for x
    x = 179,393,230,112,189.16/15,346,295.68
  6. Step 6: Final answer
    x = 11,689,676.38

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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.