Home / 13,129,622.60-19,683,374.70-6,825,878.60

Finding the Fourth Proportional to 13,129,622.60, 19,683,374.70 and 6,825,878.60

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Solution

The fourth proportional to 13,129,622.60, 19,683,374.70 and 6,825,878.60 is: 10,233,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,622.60 : 19,683,374.70 = 6,825,878.60 : x
  2. Step 2: Convert to fraction form
    13,129,622.60/19,683,374.70 = 6,825,878.60/x
  3. Step 3: Cross multiply
    13,129,622.60x = 19,683,374.70 × 6,825,878.60
  4. Step 4: Simplify right side
    13,129,622.60x = 134,356,326,140,511.41
  5. Step 5: Solve for x
    x = 134,356,326,140,511.41/13,129,622.60
  6. Step 6: Final answer
    x = 10,233,068.40

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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.