Home / 39,289,811.40-58,961,289.20-22,017,978.90

Finding the Fourth Proportional to 39,289,811.40, 58,961,289.20 and 22,017,978.90

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Solution

The fourth proportional to 39,289,811.40, 58,961,289.20 and 22,017,978.90 is: 33,041,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289,811.40 : 58,961,289.20 = 22,017,978.90 : x
  2. Step 2: Convert to fraction form
    39,289,811.40/58,961,289.20 = 22,017,978.90/x
  3. Step 3: Cross multiply
    39,289,811.40x = 58,961,289.20 × 22,017,978.90
  4. Step 4: Simplify right side
    39,289,811.40x = 1,298,208,421,412,308
  5. Step 5: Solve for x
    x = 1,298,208,421,412,308/39,289,811.40
  6. Step 6: Final answer
    x = 33,041,859.33

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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.