Home / 18,789,903.23-28,177,941.90-6,490,736.87

Finding the Fourth Proportional to 18,789,903.23, 28,177,941.90 and 6,490,736.87

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Solution

The fourth proportional to 18,789,903.23, 28,177,941.90 and 6,490,736.87 is: 9,733,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,903.23 : 28,177,941.90 = 6,490,736.87 : x
  2. Step 2: Convert to fraction form
    18,789,903.23/28,177,941.90 = 6,490,736.87/x
  3. Step 3: Cross multiply
    18,789,903.23x = 28,177,941.90 × 6,490,736.87
  4. Step 4: Simplify right side
    18,789,903.23x = 182,895,606,411,047.84
  5. Step 5: Solve for x
    x = 182,895,606,411,047.84/18,789,903.23
  6. Step 6: Final answer
    x = 9,733,717.31

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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.