Home / 28,076,467.80-42,114,701.70-19,006,541.40

Finding the Fourth Proportional to 28,076,467.80, 42,114,701.70 and 19,006,541.40

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Solution

The fourth proportional to 28,076,467.80, 42,114,701.70 and 19,006,541.40 is: 28,509,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076,467.80 : 42,114,701.70 = 19,006,541.40 : x
  2. Step 2: Convert to fraction form
    28,076,467.80/42,114,701.70 = 19,006,541.40/x
  3. Step 3: Cross multiply
    28,076,467.80x = 42,114,701.70 × 19,006,541.40
  4. Step 4: Simplify right side
    28,076,467.80x = 800,454,821,409,700.38
  5. Step 5: Solve for x
    x = 800,454,821,409,700.38/28,076,467.80
  6. Step 6: Final answer
    x = 28,509,812.10

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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.