Home / 13,538,518.70-18,683,046.93-7,343,550.02

Finding the Fourth Proportional to 13,538,518.70, 18,683,046.93 and 7,343,550.02

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Solution

The fourth proportional to 13,538,518.70, 18,683,046.93 and 7,343,550.02 is: 10,134,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,518.70 : 18,683,046.93 = 7,343,550.02 : x
  2. Step 2: Convert to fraction form
    13,538,518.70/18,683,046.93 = 7,343,550.02/x
  3. Step 3: Cross multiply
    13,538,518.70x = 18,683,046.93 × 7,343,550.02
  4. Step 4: Simplify right side
    13,538,518.70x = 137,199,889,656,462.42
  5. Step 5: Solve for x
    x = 137,199,889,656,462.42/13,538,518.70
  6. Step 6: Final answer
    x = 10,134,039.97

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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.