Home / 9,285,405.10-12,814,259.19-5,155,436.38

Finding the Fourth Proportional to 9,285,405.10, 12,814,259.19 and 5,155,436.38

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Solution

The fourth proportional to 9,285,405.10, 12,814,259.19 and 5,155,436.38 is: 7,114,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,405.10 : 12,814,259.19 = 5,155,436.38 : x
  2. Step 2: Convert to fraction form
    9,285,405.10/12,814,259.19 = 5,155,436.38/x
  3. Step 3: Cross multiply
    9,285,405.10x = 12,814,259.19 × 5,155,436.38
  4. Step 4: Simplify right side
    9,285,405.10x = 66,063,098,010,875.33
  5. Step 5: Solve for x
    x = 66,063,098,010,875.33/9,285,405.10
  6. Step 6: Final answer
    x = 7,114,724.38

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1.5x scale

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.