Home / 28,076,485.80-42,114,728.70-19,006,559.40

Finding the Fourth Proportional to 28,076,485.80, 42,114,728.70 and 19,006,559.40

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Solution

The fourth proportional to 28,076,485.80, 42,114,728.70 and 19,006,559.40 is: 28,509,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076,485.80 : 42,114,728.70 = 19,006,559.40 : x
  2. Step 2: Convert to fraction form
    28,076,485.80/42,114,728.70 = 19,006,559.40/x
  3. Step 3: Cross multiply
    28,076,485.80x = 42,114,728.70 × 19,006,559.40
  4. Step 4: Simplify right side
    28,076,485.80x = 800,456,092,651,434.75
  5. Step 5: Solve for x
    x = 800,456,092,651,434.75/28,076,485.80
  6. Step 6: Final answer
    x = 28,509,839.10

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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.