Home / 19,254,018.56-28,880,805.38-4,681,020.60

Finding the Fourth Proportional to 19,254,018.56, 28,880,805.38 and 4,681,020.60

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Solution

The fourth proportional to 19,254,018.56, 28,880,805.38 and 4,681,020.60 is: 7,021,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,018.56 : 28,880,805.38 = 4,681,020.60 : x
  2. Step 2: Convert to fraction form
    19,254,018.56/28,880,805.38 = 4,681,020.60/x
  3. Step 3: Cross multiply
    19,254,018.56x = 28,880,805.38 × 4,681,020.60
  4. Step 4: Simplify right side
    19,254,018.56x = 135,191,644,928,370.81
  5. Step 5: Solve for x
    x = 135,191,644,928,370.81/19,254,018.56
  6. Step 6: Final answer
    x = 7,021,476.82

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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.