Home / 13,556,490.30-18,701,038.95-8,656,560.54

Finding the Fourth Proportional to 13,556,490.30, 18,701,038.95 and 8,656,560.54

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Solution

The fourth proportional to 13,556,490.30, 18,701,038.95 and 8,656,560.54 is: 11,941,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,490.30 : 18,701,038.95 = 8,656,560.54 : x
  2. Step 2: Convert to fraction form
    13,556,490.30/18,701,038.95 = 8,656,560.54/x
  3. Step 3: Cross multiply
    13,556,490.30x = 18,701,038.95 × 8,656,560.54
  4. Step 4: Simplify right side
    13,556,490.30x = 161,886,675,831,573
  5. Step 5: Solve for x
    x = 161,886,675,831,573/13,556,490.30
  6. Step 6: Final answer
    x = 11,941,636.24

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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.