Home / 28,039,589.34-42,074,202.43-19,894,868.08

Finding the Fourth Proportional to 28,039,589.34, 42,074,202.43 and 19,894,868.08

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Solution

The fourth proportional to 28,039,589.34, 42,074,202.43 and 19,894,868.08 is: 29,852,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,589.34 : 42,074,202.43 = 19,894,868.08 : x
  2. Step 2: Convert to fraction form
    28,039,589.34/42,074,202.43 = 19,894,868.08/x
  3. Step 3: Cross multiply
    28,039,589.34x = 42,074,202.43 × 19,894,868.08
  4. Step 4: Simplify right side
    28,039,589.34x = 837,060,706,916,065.38
  5. Step 5: Solve for x
    x = 837,060,706,916,065.38/28,039,589.34
  6. Step 6: Final answer
    x = 29,852,816.20

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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.