Home / 8,615,009.40-12,922,514.10-4,788,634.20

Finding the Fourth Proportional to 8,615,009.40, 12,922,514.10 and 4,788,634.20

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Solution

The fourth proportional to 8,615,009.40, 12,922,514.10 and 4,788,634.20 is: 7,182,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,009.40 : 12,922,514.10 = 4,788,634.20 : x
  2. Step 2: Convert to fraction form
    8,615,009.40/12,922,514.10 = 4,788,634.20/x
  3. Step 3: Cross multiply
    8,615,009.40x = 12,922,514.10 × 4,788,634.20
  4. Step 4: Simplify right side
    8,615,009.40x = 61,881,192,969,242.22
  5. Step 5: Solve for x
    x = 61,881,192,969,242.22/8,615,009.40
  6. Step 6: Final answer
    x = 7,182,951.30

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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.