Home / 20,139,045.15-30,208,567.73-5,762,581.95

Finding the Fourth Proportional to 20,139,045.15, 30,208,567.73 and 5,762,581.95

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Solution

The fourth proportional to 20,139,045.15, 30,208,567.73 and 5,762,581.95 is: 8,643,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,045.15 : 30,208,567.73 = 5,762,581.95 : x
  2. Step 2: Convert to fraction form
    20,139,045.15/30,208,567.73 = 5,762,581.95/x
  3. Step 3: Cross multiply
    20,139,045.15x = 30,208,567.73 × 5,762,581.95
  4. Step 4: Simplify right side
    20,139,045.15x = 174,079,347,107,437.56
  5. Step 5: Solve for x
    x = 174,079,347,107,437.56/20,139,045.15
  6. Step 6: Final answer
    x = 8,643,872.93

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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.