Home / 21,964,358.57-30,312,273.83-12,175,215.35

Finding the Fourth Proportional to 21,964,358.57, 30,312,273.83 and 12,175,215.35

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Solution

The fourth proportional to 21,964,358.57, 30,312,273.83 and 12,175,215.35 is: 16,802,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964,358.57 : 30,312,273.83 = 12,175,215.35 : x
  2. Step 2: Convert to fraction form
    21,964,358.57/30,312,273.83 = 12,175,215.35/x
  3. Step 3: Cross multiply
    21,964,358.57x = 30,312,273.83 × 12,175,215.35
  4. Step 4: Simplify right side
    21,964,358.57x = 369,058,461,415,981.88
  5. Step 5: Solve for x
    x = 369,058,461,415,981.88/21,964,358.57
  6. Step 6: Final answer
    x = 16,802,605.93

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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.