Home / 12,444,321.60-18,666,482.40-9,924,897.60

Finding the Fourth Proportional to 12,444,321.60, 18,666,482.40 and 9,924,897.60

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Solution

The fourth proportional to 12,444,321.60, 18,666,482.40 and 9,924,897.60 is: 14,887,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,321.60 : 18,666,482.40 = 9,924,897.60 : x
  2. Step 2: Convert to fraction form
    12,444,321.60/18,666,482.40 = 9,924,897.60/x
  3. Step 3: Cross multiply
    12,444,321.60x = 18,666,482.40 × 9,924,897.60
  4. Step 4: Simplify right side
    12,444,321.60x = 185,262,926,372,202.22
  5. Step 5: Solve for x
    x = 185,262,926,372,202.22/12,444,321.60
  6. Step 6: Final answer
    x = 14,887,346.40

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Double scale
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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.