Home / 12,644,303.60-18,966,455.40-9,455,657.60

Finding the Fourth Proportional to 12,644,303.60, 18,966,455.40 and 9,455,657.60

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Solution

The fourth proportional to 12,644,303.60, 18,966,455.40 and 9,455,657.60 is: 14,183,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,303.60 : 18,966,455.40 = 9,455,657.60 : x
  2. Step 2: Convert to fraction form
    12,644,303.60/18,966,455.40 = 9,455,657.60/x
  3. Step 3: Cross multiply
    12,644,303.60x = 18,966,455.40 × 9,455,657.60
  4. Step 4: Simplify right side
    12,644,303.60x = 179,340,308,148,071.03
  5. Step 5: Solve for x
    x = 179,340,308,148,071.03/12,644,303.60
  6. Step 6: Final answer
    x = 14,183,486.40

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Similar ratio
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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.