Home / 18,708,762.40-28,054,849.20-8,614,477.60

Finding the Fourth Proportional to 18,708,762.40, 28,054,849.20 and 8,614,477.60

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Solution

The fourth proportional to 18,708,762.40, 28,054,849.20 and 8,614,477.60 is: 12,917,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,762.40 : 28,054,849.20 = 8,614,477.60 : x
  2. Step 2: Convert to fraction form
    18,708,762.40/28,054,849.20 = 8,614,477.60/x
  3. Step 3: Cross multiply
    18,708,762.40x = 28,054,849.20 × 8,614,477.60
  4. Step 4: Simplify right side
    18,708,762.40x = 241,677,870,004,777.91
  5. Step 5: Solve for x
    x = 241,677,870,004,777.91/18,708,762.40
  6. Step 6: Final answer
    x = 12,917,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.