Home / 13,116,636.80-19,648,605.42-6,531,506.66

Finding the Fourth Proportional to 13,116,636.80, 19,648,605.42 and 6,531,506.66

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Solution

The fourth proportional to 13,116,636.80, 19,648,605.42 and 6,531,506.66 is: 9,784,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,636.80 : 19,648,605.42 = 6,531,506.66 : x
  2. Step 2: Convert to fraction form
    13,116,636.80/19,648,605.42 = 6,531,506.66/x
  3. Step 3: Cross multiply
    13,116,636.80x = 19,648,605.42 × 6,531,506.66
  4. Step 4: Simplify right side
    13,116,636.80x = 128,334,997,160,442.11
  5. Step 5: Solve for x
    x = 128,334,997,160,442.11/13,116,636.80
  6. Step 6: Final answer
    x = 9,784,138.96

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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.