Home / 28,331,362.80-42,497,044.20-22,166,647.20

Finding the Fourth Proportional to 28,331,362.80, 42,497,044.20 and 22,166,647.20

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Solution

The fourth proportional to 28,331,362.80, 42,497,044.20 and 22,166,647.20 is: 33,249,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,362.80 : 42,497,044.20 = 22,166,647.20 : x
  2. Step 2: Convert to fraction form
    28,331,362.80/42,497,044.20 = 22,166,647.20/x
  3. Step 3: Cross multiply
    28,331,362.80x = 42,497,044.20 × 22,166,647.20
  4. Step 4: Simplify right side
    28,331,362.80x = 942,016,985,824,206.25
  5. Step 5: Solve for x
    x = 942,016,985,824,206.25/28,331,362.80
  6. Step 6: Final answer
    x = 33,249,970.80

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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.