Home / 15,135,779.63-20,893,832.20-10,177,095.15

Finding the Fourth Proportional to 15,135,779.63, 20,893,832.20 and 10,177,095.15

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Solution

The fourth proportional to 15,135,779.63, 20,893,832.20 and 10,177,095.15 is: 14,048,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,779.63 : 20,893,832.20 = 10,177,095.15 : x
  2. Step 2: Convert to fraction form
    15,135,779.63/20,893,832.20 = 10,177,095.15/x
  3. Step 3: Cross multiply
    15,135,779.63x = 20,893,832.20 × 10,177,095.15
  4. Step 4: Simplify right side
    15,135,779.63x = 212,638,518,303,009.03
  5. Step 5: Solve for x
    x = 212,638,518,303,009.03/15,135,779.63
  6. Step 6: Final answer
    x = 14,048,732.44

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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.