Home / 21,088,348.95-31,621,149.12-9,567,529.83

Finding the Fourth Proportional to 21,088,348.95, 31,621,149.12 and 9,567,529.83

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Solution

The fourth proportional to 21,088,348.95, 31,621,149.12 and 9,567,529.83 is: 14,346,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,348.95 : 31,621,149.12 = 9,567,529.83 : x
  2. Step 2: Convert to fraction form
    21,088,348.95/31,621,149.12 = 9,567,529.83/x
  3. Step 3: Cross multiply
    21,088,348.95x = 31,621,149.12 × 9,567,529.83
  4. Step 4: Simplify right side
    21,088,348.95x = 302,536,287,464,478.25
  5. Step 5: Solve for x
    x = 302,536,287,464,478.25/21,088,348.95
  6. Step 6: Final answer
    x = 14,346,134.36

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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.