Home / 14,258,001.80-21,387,002.70-8,211,384.20

Finding the Fourth Proportional to 14,258,001.80, 21,387,002.70 and 8,211,384.20

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Solution

The fourth proportional to 14,258,001.80, 21,387,002.70 and 8,211,384.20 is: 12,317,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,001.80 : 21,387,002.70 = 8,211,384.20 : x
  2. Step 2: Convert to fraction form
    14,258,001.80/21,387,002.70 = 8,211,384.20/x
  3. Step 3: Cross multiply
    14,258,001.80x = 21,387,002.70 × 8,211,384.20
  4. Step 4: Simplify right side
    14,258,001.80x = 175,616,896,056,137.34
  5. Step 5: Solve for x
    x = 175,616,896,056,137.34/14,258,001.80
  6. Step 6: Final answer
    x = 12,317,076.30

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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.