Home / 21,315,583.04-31,961,135.70-8,346,549.15

Finding the Fourth Proportional to 21,315,583.04, 31,961,135.70 and 8,346,549.15

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Solution

The fourth proportional to 21,315,583.04, 31,961,135.70 and 8,346,549.15 is: 12,515,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,583.04 : 31,961,135.70 = 8,346,549.15 : x
  2. Step 2: Convert to fraction form
    21,315,583.04/31,961,135.70 = 8,346,549.15/x
  3. Step 3: Cross multiply
    21,315,583.04x = 31,961,135.70 × 8,346,549.15
  4. Step 4: Simplify right side
    21,315,583.04x = 266,765,190,009,869.66
  5. Step 5: Solve for x
    x = 266,765,190,009,869.66/21,315,583.04
  6. Step 6: Final answer
    x = 12,515,031.35

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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.