Home / 19,315,541.70-28,973,312.55-19,016,943.30

Finding the Fourth Proportional to 19,315,541.70, 28,973,312.55 and 19,016,943.30

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Solution

The fourth proportional to 19,315,541.70, 28,973,312.55 and 19,016,943.30 is: 28,525,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,541.70 : 28,973,312.55 = 19,016,943.30 : x
  2. Step 2: Convert to fraction form
    19,315,541.70/28,973,312.55 = 19,016,943.30/x
  3. Step 3: Cross multiply
    19,315,541.70x = 28,973,312.55 × 19,016,943.30
  4. Step 4: Simplify right side
    19,315,541.70x = 550,983,841,976,528.44
  5. Step 5: Solve for x
    x = 550,983,841,976,528.44/19,315,541.70
  6. Step 6: Final answer
    x = 28,525,414.95

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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.