Home / 39,004,814.40-58,507,221.60-19,872,938.40

Finding the Fourth Proportional to 39,004,814.40, 58,507,221.60 and 19,872,938.40

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Solution

The fourth proportional to 39,004,814.40, 58,507,221.60 and 19,872,938.40 is: 29,809,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,004,814.40 : 58,507,221.60 = 19,872,938.40 : x
  2. Step 2: Convert to fraction form
    39,004,814.40/58,507,221.60 = 19,872,938.40/x
  3. Step 3: Cross multiply
    39,004,814.40x = 58,507,221.60 × 19,872,938.40
  4. Step 4: Simplify right side
    39,004,814.40x = 1,162,710,410,811,949.50
  5. Step 5: Solve for x
    x = 1,162,710,410,811,949.50/39,004,814.40
  6. Step 6: Final answer
    x = 29,809,407.60

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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.