Home / 19,173,521.12-28,750,367.25-7,039,870.16

Finding the Fourth Proportional to 19,173,521.12, 28,750,367.25 and 7,039,870.16

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Solution

The fourth proportional to 19,173,521.12, 28,750,367.25 and 7,039,870.16 is: 10,556,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173,521.12 : 28,750,367.25 = 7,039,870.16 : x
  2. Step 2: Convert to fraction form
    19,173,521.12/28,750,367.25 = 7,039,870.16/x
  3. Step 3: Cross multiply
    19,173,521.12x = 28,750,367.25 × 7,039,870.16
  4. Step 4: Simplify right side
    19,173,521.12x = 202,398,852,348,564.44
  5. Step 5: Solve for x
    x = 202,398,852,348,564.44/19,173,521.12
  6. Step 6: Final answer
    x = 10,556,164.99

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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.