Home / 30,575,560.96-45,864,948.48-7,856,611.84

Finding the Fourth Proportional to 30,575,560.96, 45,864,948.48 and 7,856,611.84

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Solution

The fourth proportional to 30,575,560.96, 45,864,948.48 and 7,856,611.84 is: 11,785,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575,560.96 : 45,864,948.48 = 7,856,611.84 : x
  2. Step 2: Convert to fraction form
    30,575,560.96/45,864,948.48 = 7,856,611.84/x
  3. Step 3: Cross multiply
    30,575,560.96x = 45,864,948.48 × 7,856,611.84
  4. Step 4: Simplify right side
    30,575,560.96x = 360,343,097,268,958
  5. Step 5: Solve for x
    x = 360,343,097,268,958/30,575,560.96
  6. Step 6: Final answer
    x = 11,785,330.70

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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.