Home / 21,063,477.60-31,595,216.40-5,917,409.10

Finding the Fourth Proportional to 21,063,477.60, 31,595,216.40 and 5,917,409.10

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Solution

The fourth proportional to 21,063,477.60, 31,595,216.40 and 5,917,409.10 is: 8,876,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,477.60 : 31,595,216.40 = 5,917,409.10 : x
  2. Step 2: Convert to fraction form
    21,063,477.60/31,595,216.40 = 5,917,409.10/x
  3. Step 3: Cross multiply
    21,063,477.60x = 31,595,216.40 × 5,917,409.10
  4. Step 4: Simplify right side
    21,063,477.60x = 186,961,821,041,829.22
  5. Step 5: Solve for x
    x = 186,961,821,041,829.22/21,063,477.60
  6. Step 6: Final answer
    x = 8,876,113.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.