Home / 10,501,128-15,754,349.22-2,928,093.75

Finding the Fourth Proportional to 10,501,128, 15,754,349.22 and 2,928,093.75

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Solution

The fourth proportional to 10,501,128, 15,754,349.22 and 2,928,093.75 is: 4,392,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,128 : 15,754,349.22 = 2,928,093.75 : x
  2. Step 2: Convert to fraction form
    10,501,128/15,754,349.22 = 2,928,093.75/x
  3. Step 3: Cross multiply
    10,501,128x = 15,754,349.22 × 2,928,093.75
  4. Step 4: Simplify right side
    10,501,128x = 46,130,211,486,399.38
  5. Step 5: Solve for x
    x = 46,130,211,486,399.38/10,501,128
  6. Step 6: Final answer
    x = 4,392,881.55

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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.