Home / 19,942,688.40-29,909,885.40-8,583,507.60

Finding the Fourth Proportional to 19,942,688.40, 29,909,885.40 and 8,583,507.60

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Solution

The fourth proportional to 19,942,688.40, 29,909,885.40 and 8,583,507.60 is: 12,873,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,688.40 : 29,909,885.40 = 8,583,507.60 : x
  2. Step 2: Convert to fraction form
    19,942,688.40/29,909,885.40 = 8,583,507.60/x
  3. Step 3: Cross multiply
    19,942,688.40x = 29,909,885.40 × 8,583,507.60
  4. Step 4: Simplify right side
    19,942,688.40x = 256,731,728,646,029.03
  5. Step 5: Solve for x
    x = 256,731,728,646,029.03/19,942,688.40
  6. Step 6: Final answer
    x = 12,873,476.41

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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.