Home / 30,165,567.12-45,255,437.64-9,970,809.12

Finding the Fourth Proportional to 30,165,567.12, 45,255,437.64 and 9,970,809.12

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Solution

The fourth proportional to 30,165,567.12, 45,255,437.64 and 9,970,809.12 is: 14,958,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,567.12 : 45,255,437.64 = 9,970,809.12 : x
  2. Step 2: Convert to fraction form
    30,165,567.12/45,255,437.64 = 9,970,809.12/x
  3. Step 3: Cross multiply
    30,165,567.12x = 45,255,437.64 × 9,970,809.12
  4. Step 4: Simplify right side
    30,165,567.12x = 451,233,330,350,503.25
  5. Step 5: Solve for x
    x = 451,233,330,350,503.25/30,165,567.12
  6. Step 6: Final answer
    x = 14,958,556.18

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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.