Home / 12,900,814.98-17,803,127.57-7,099,596.72

Finding the Fourth Proportional to 12,900,814.98, 17,803,127.57 and 7,099,596.72

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Solution

The fourth proportional to 12,900,814.98, 17,803,127.57 and 7,099,596.72 is: 9,797,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,814.98 : 17,803,127.57 = 7,099,596.72 : x
  2. Step 2: Convert to fraction form
    12,900,814.98/17,803,127.57 = 7,099,596.72/x
  3. Step 3: Cross multiply
    12,900,814.98x = 17,803,127.57 × 7,099,596.72
  4. Step 4: Simplify right side
    12,900,814.98x = 126,395,026,066,012.56
  5. Step 5: Solve for x
    x = 126,395,026,066,012.56/12,900,814.98
  6. Step 6: Final answer
    x = 9,797,445.07

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1.5x scale

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.