Home / 9,128,018.44-12,597,004.80-5,208,412.70

Finding the Fourth Proportional to 9,128,018.44, 12,597,004.80 and 5,208,412.70

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Solution

The fourth proportional to 9,128,018.44, 12,597,004.80 and 5,208,412.70 is: 7,187,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,018.44 : 12,597,004.80 = 5,208,412.70 : x
  2. Step 2: Convert to fraction form
    9,128,018.44/12,597,004.80 = 5,208,412.70/x
  3. Step 3: Cross multiply
    9,128,018.44x = 12,597,004.80 × 5,208,412.70
  4. Step 4: Simplify right side
    9,128,018.44x = 65,610,399,813,773.47
  5. Step 5: Solve for x
    x = 65,610,399,813,773.47/9,128,018.44
  6. Step 6: Final answer
    x = 7,187,803.16

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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.