Home / 19,152,071.40-28,728,107.10-9,074,375.40

Finding the Fourth Proportional to 19,152,071.40, 28,728,107.10 and 9,074,375.40

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Solution

The fourth proportional to 19,152,071.40, 28,728,107.10 and 9,074,375.40 is: 13,611,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,071.40 : 28,728,107.10 = 9,074,375.40 : x
  2. Step 2: Convert to fraction form
    19,152,071.40/28,728,107.10 = 9,074,375.40/x
  3. Step 3: Cross multiply
    19,152,071.40x = 28,728,107.10 × 9,074,375.40
  4. Step 4: Simplify right side
    19,152,071.40x = 260,689,628,356,805.38
  5. Step 5: Solve for x
    x = 260,689,628,356,805.38/19,152,071.40
  6. Step 6: Final answer
    x = 13,611,563.10

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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.