Home / 14,308,538.22-21,435,771.42-8,455,264.20

Finding the Fourth Proportional to 14,308,538.22, 21,435,771.42 and 8,455,264.20

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Solution

The fourth proportional to 14,308,538.22, 21,435,771.42 and 8,455,264.20 is: 12,666,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308,538.22 : 21,435,771.42 = 8,455,264.20 : x
  2. Step 2: Convert to fraction form
    14,308,538.22/21,435,771.42 = 8,455,264.20/x
  3. Step 3: Cross multiply
    14,308,538.22x = 21,435,771.42 × 8,455,264.20
  4. Step 4: Simplify right side
    14,308,538.22x = 181,245,110,686,909.16
  5. Step 5: Solve for x
    x = 181,245,110,686,909.16/14,308,538.22
  6. Step 6: Final answer
    x = 12,666,920.12

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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.