Home / 31,311,000.80-46,966,501.20-19,831,875.20

Finding the Fourth Proportional to 31,311,000.80, 46,966,501.20 and 19,831,875.20

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Solution

The fourth proportional to 31,311,000.80, 46,966,501.20 and 19,831,875.20 is: 29,747,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311,000.80 : 46,966,501.20 = 19,831,875.20 : x
  2. Step 2: Convert to fraction form
    31,311,000.80/46,966,501.20 = 19,831,875.20/x
  3. Step 3: Cross multiply
    31,311,000.80x = 46,966,501.20 × 19,831,875.20
  4. Step 4: Simplify right side
    31,311,000.80x = 931,433,790,379,050.25
  5. Step 5: Solve for x
    x = 931,433,790,379,050.25/31,311,000.80
  6. Step 6: Final answer
    x = 29,747,812.80

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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.