Home / 20,577,970.28-28,395,552-11,878,945.37

Finding the Fourth Proportional to 20,577,970.28, 28,395,552 and 11,878,945.37

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Solution

The fourth proportional to 20,577,970.28, 28,395,552 and 11,878,945.37 is: 16,391,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577,970.28 : 28,395,552 = 11,878,945.37 : x
  2. Step 2: Convert to fraction form
    20,577,970.28/28,395,552 = 11,878,945.37/x
  3. Step 3: Cross multiply
    20,577,970.28x = 28,395,552 × 11,878,945.37
  4. Step 4: Simplify right side
    20,577,970.28x = 337,309,210,958,994.19
  5. Step 5: Solve for x
    x = 337,309,210,958,994.19/20,577,970.28
  6. Step 6: Final answer
    x = 16,391,762.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.