Home / 7,912,927.53-10,920,426.48-4,428,615.33

Finding the Fourth Proportional to 7,912,927.53, 10,920,426.48 and 4,428,615.33

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Solution

The fourth proportional to 7,912,927.53, 10,920,426.48 and 4,428,615.33 is: 6,111,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,927.53 : 10,920,426.48 = 4,428,615.33 : x
  2. Step 2: Convert to fraction form
    7,912,927.53/10,920,426.48 = 4,428,615.33/x
  3. Step 3: Cross multiply
    7,912,927.53x = 10,920,426.48 × 4,428,615.33
  4. Step 4: Simplify right side
    7,912,927.53x = 48,362,368,119,465.94
  5. Step 5: Solve for x
    x = 48,362,368,119,465.94/7,912,927.53
  6. Step 6: Final answer
    x = 6,111,817.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.