Home / 8,490,873.60-11,697,477.12-5,908,112.64

Finding the Fourth Proportional to 8,490,873.60, 11,697,477.12 and 5,908,112.64

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Solution

The fourth proportional to 8,490,873.60, 11,697,477.12 and 5,908,112.64 is: 8,139,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,873.60 : 11,697,477.12 = 5,908,112.64 : x
  2. Step 2: Convert to fraction form
    8,490,873.60/11,697,477.12 = 5,908,112.64/x
  3. Step 3: Cross multiply
    8,490,873.60x = 11,697,477.12 × 5,908,112.64
  4. Step 4: Simplify right side
    8,490,873.60x = 69,110,012,428,782.79
  5. Step 5: Solve for x
    x = 69,110,012,428,782.79/8,490,873.60
  6. Step 6: Final answer
    x = 8,139,328.85

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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.