Home / 12,147,006.42-16,762,211.01-6,714,148.50

Finding the Fourth Proportional to 12,147,006.42, 16,762,211.01 and 6,714,148.50

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Solution

The fourth proportional to 12,147,006.42, 16,762,211.01 and 6,714,148.50 is: 9,265,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,006.42 : 16,762,211.01 = 6,714,148.50 : x
  2. Step 2: Convert to fraction form
    12,147,006.42/16,762,211.01 = 6,714,148.50/x
  3. Step 3: Cross multiply
    12,147,006.42x = 16,762,211.01 × 6,714,148.50
  4. Step 4: Simplify right side
    12,147,006.42x = 112,543,973,909,474.98
  5. Step 5: Solve for x
    x = 112,543,973,909,474.98/12,147,006.42
  6. Step 6: Final answer
    x = 9,265,161.31

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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.