Home / 8,155,437.02-11,256,215.54-5,173,211.46

Finding the Fourth Proportional to 8,155,437.02, 11,256,215.54 and 5,173,211.46

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Solution

The fourth proportional to 8,155,437.02, 11,256,215.54 and 5,173,211.46 is: 7,140,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,437.02 : 11,256,215.54 = 5,173,211.46 : x
  2. Step 2: Convert to fraction form
    8,155,437.02/11,256,215.54 = 5,173,211.46/x
  3. Step 3: Cross multiply
    8,155,437.02x = 11,256,215.54 × 5,173,211.46
  4. Step 4: Simplify right side
    8,155,437.02x = 58,230,783,227,758.09
  5. Step 5: Solve for x
    x = 58,230,783,227,758.09/8,155,437.02
  6. Step 6: Final answer
    x = 7,140,118.07

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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.