Home / 28,084,810.80-42,127,216.20-23,843,780.40

Finding the Fourth Proportional to 28,084,810.80, 42,127,216.20 and 23,843,780.40

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Solution

The fourth proportional to 28,084,810.80, 42,127,216.20 and 23,843,780.40 is: 35,765,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,810.80 : 42,127,216.20 = 23,843,780.40 : x
  2. Step 2: Convert to fraction form
    28,084,810.80/42,127,216.20 = 23,843,780.40/x
  3. Step 3: Cross multiply
    28,084,810.80x = 42,127,216.20 × 23,843,780.40
  4. Step 4: Simplify right side
    28,084,810.80x = 1,004,472,091,936,122.50
  5. Step 5: Solve for x
    x = 1,004,472,091,936,122.50/28,084,810.80
  6. Step 6: Final answer
    x = 35,765,670.60

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1.5x scale

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.