Home / 21,063,730.80-31,614,258.72-10,835,802.48

Finding the Fourth Proportional to 21,063,730.80, 31,614,258.72 and 10,835,802.48

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Solution

The fourth proportional to 21,063,730.80, 31,614,258.72 and 10,835,802.48 is: 16,263,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,730.80 : 31,614,258.72 = 10,835,802.48 : x
  2. Step 2: Convert to fraction form
    21,063,730.80/31,614,258.72 = 10,835,802.48/x
  3. Step 3: Cross multiply
    21,063,730.80x = 31,614,258.72 × 10,835,802.48
  4. Step 4: Simplify right side
    21,063,730.80x = 342,565,863,041,537.62
  5. Step 5: Solve for x
    x = 342,565,863,041,537.62/21,063,730.80
  6. Step 6: Final answer
    x = 16,263,304.27

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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.