Home / 19,989,106.20-28,048,521.60-19,989,106.20

Finding the Fourth Proportional to 19,989,106.20, 28,048,521.60 and 19,989,106.20

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Solution

The fourth proportional to 19,989,106.20, 28,048,521.60 and 19,989,106.20 is: 28,048,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,106.20 : 28,048,521.60 = 19,989,106.20 : x
  2. Step 2: Convert to fraction form
    19,989,106.20/28,048,521.60 = 19,989,106.20/x
  3. Step 3: Cross multiply
    19,989,106.20x = 28,048,521.60 × 19,989,106.20
  4. Step 4: Simplify right side
    19,989,106.20x = 560,664,877,015,393.94
  5. Step 5: Solve for x
    x = 560,664,877,015,393.94/19,989,106.20
  6. Step 6: Final answer
    x = 28,048,521.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.