Home / 29,161,688.55-40,243,723.44-15,931,722.37

Finding the Fourth Proportional to 29,161,688.55, 40,243,723.44 and 15,931,722.37

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Solution

The fourth proportional to 29,161,688.55, 40,243,723.44 and 15,931,722.37 is: 21,986,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161,688.55 : 40,243,723.44 = 15,931,722.37 : x
  2. Step 2: Convert to fraction form
    29,161,688.55/40,243,723.44 = 15,931,722.37/x
  3. Step 3: Cross multiply
    29,161,688.55x = 40,243,723.44 × 15,931,722.37
  4. Step 4: Simplify right side
    29,161,688.55x = 641,151,828,779,922.75
  5. Step 5: Solve for x
    x = 641,151,828,779,922.75/29,161,688.55
  6. Step 6: Final answer
    x = 21,986,100.97

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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.