Home / 12,673,202.40-19,009,803.60-7,634,354.40

Finding the Fourth Proportional to 12,673,202.40, 19,009,803.60 and 7,634,354.40

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Solution

The fourth proportional to 12,673,202.40, 19,009,803.60 and 7,634,354.40 is: 11,451,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,202.40 : 19,009,803.60 = 7,634,354.40 : x
  2. Step 2: Convert to fraction form
    12,673,202.40/19,009,803.60 = 7,634,354.40/x
  3. Step 3: Cross multiply
    12,673,202.40x = 19,009,803.60 × 7,634,354.40
  4. Step 4: Simplify right side
    12,673,202.40x = 145,127,577,756,795.84
  5. Step 5: Solve for x
    x = 145,127,577,756,795.84/12,673,202.40
  6. Step 6: Final answer
    x = 11,451,531.60

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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.