Home / 15,765,521.34-21,756,389.13-8,795,784.18

Finding the Fourth Proportional to 15,765,521.34, 21,756,389.13 and 8,795,784.18

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Solution

The fourth proportional to 15,765,521.34, 21,756,389.13 and 8,795,784.18 is: 12,138,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,521.34 : 21,756,389.13 = 8,795,784.18 : x
  2. Step 2: Convert to fraction form
    15,765,521.34/21,756,389.13 = 8,795,784.18/x
  3. Step 3: Cross multiply
    15,765,521.34x = 21,756,389.13 × 8,795,784.18
  4. Step 4: Simplify right side
    15,765,521.34x = 191,364,503,323,577.94
  5. Step 5: Solve for x
    x = 191,364,503,323,577.94/15,765,521.34
  6. Step 6: Final answer
    x = 12,138,165.25

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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.