Home / 35,361,724.40-53,042,586.60-12,643,362.80

Finding the Fourth Proportional to 35,361,724.40, 53,042,586.60 and 12,643,362.80

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Solution

The fourth proportional to 35,361,724.40, 53,042,586.60 and 12,643,362.80 is: 18,965,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361,724.40 : 53,042,586.60 = 12,643,362.80 : x
  2. Step 2: Convert to fraction form
    35,361,724.40/53,042,586.60 = 12,643,362.80/x
  3. Step 3: Cross multiply
    35,361,724.40x = 53,042,586.60 × 12,643,362.80
  4. Step 4: Simplify right side
    35,361,724.40x = 670,636,666,234,218.50
  5. Step 5: Solve for x
    x = 670,636,666,234,218.50/35,361,724.40
  6. Step 6: Final answer
    x = 18,965,044.20

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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.