Home / 16,390,653.60-24,585,980.40-7,887,597.60

Finding the Fourth Proportional to 16,390,653.60, 24,585,980.40 and 7,887,597.60

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Solution

The fourth proportional to 16,390,653.60, 24,585,980.40 and 7,887,597.60 is: 11,831,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390,653.60 : 24,585,980.40 = 7,887,597.60 : x
  2. Step 2: Convert to fraction form
    16,390,653.60/24,585,980.40 = 7,887,597.60/x
  3. Step 3: Cross multiply
    16,390,653.60x = 24,585,980.40 × 7,887,597.60
  4. Step 4: Simplify right side
    16,390,653.60x = 193,924,319,996,687.03
  5. Step 5: Solve for x
    x = 193,924,319,996,687.03/16,390,653.60
  6. Step 6: Final answer
    x = 11,831,396.40

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Similar ratio
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1.5x scale

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.