Home / 21,045,468.40-29,047,599.60-12,346,435.60

Finding the Fourth Proportional to 21,045,468.40, 29,047,599.60 and 12,346,435.60

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Solution

The fourth proportional to 21,045,468.40, 29,047,599.60 and 12,346,435.60 is: 17,040,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045,468.40 : 29,047,599.60 = 12,346,435.60 : x
  2. Step 2: Convert to fraction form
    21,045,468.40/29,047,599.60 = 12,346,435.60/x
  3. Step 3: Cross multiply
    21,045,468.40x = 29,047,599.60 × 12,346,435.60
  4. Step 4: Simplify right side
    21,045,468.40x = 358,634,317,795,985.75
  5. Step 5: Solve for x
    x = 358,634,317,795,985.75/21,045,468.40
  6. Step 6: Final answer
    x = 17,040,928.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.