Home / 12,852,639.90-19,310,452.65-9,663,993.90

Finding the Fourth Proportional to 12,852,639.90, 19,310,452.65 and 9,663,993.90

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Solution

The fourth proportional to 12,852,639.90, 19,310,452.65 and 9,663,993.90 is: 14,519,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,639.90 : 19,310,452.65 = 9,663,993.90 : x
  2. Step 2: Convert to fraction form
    12,852,639.90/19,310,452.65 = 9,663,993.90/x
  3. Step 3: Cross multiply
    12,852,639.90x = 19,310,452.65 × 9,663,993.90
  4. Step 4: Simplify right side
    12,852,639.90x = 186,616,096,615,838.81
  5. Step 5: Solve for x
    x = 186,616,096,615,838.81/12,852,639.90
  6. Step 6: Final answer
    x = 14,519,670.52

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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.