Home / 31,112,000.30-46,668,000.45-20,362,457.90

Finding the Fourth Proportional to 31,112,000.30, 46,668,000.45 and 20,362,457.90

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Solution

The fourth proportional to 31,112,000.30, 46,668,000.45 and 20,362,457.90 is: 30,543,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112,000.30 : 46,668,000.45 = 20,362,457.90 : x
  2. Step 2: Convert to fraction form
    31,112,000.30/46,668,000.45 = 20,362,457.90/x
  3. Step 3: Cross multiply
    31,112,000.30x = 46,668,000.45 × 20,362,457.90
  4. Step 4: Simplify right side
    31,112,000.30x = 950,275,194,440,306
  5. Step 5: Solve for x
    x = 950,275,194,440,306/31,112,000.30
  6. Step 6: Final answer
    x = 30,543,686.85

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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.