Home / 13,610,923.12-18,782,837.40-7,416,020.74

Finding the Fourth Proportional to 13,610,923.12, 18,782,837.40 and 7,416,020.74

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Solution

The fourth proportional to 13,610,923.12, 18,782,837.40 and 7,416,020.74 is: 10,233,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,923.12 : 18,782,837.40 = 7,416,020.74 : x
  2. Step 2: Convert to fraction form
    13,610,923.12/18,782,837.40 = 7,416,020.74/x
  3. Step 3: Cross multiply
    13,610,923.12x = 18,782,837.40 × 7,416,020.74
  4. Step 4: Simplify right side
    13,610,923.12x = 139,293,911,714,447.67
  5. Step 5: Solve for x
    x = 139,293,911,714,447.67/13,610,923.12
  6. Step 6: Final answer
    x = 10,233,979.76

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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.