Home / 20,152,599.48-30,210,999.82-7,853,713.98

Finding the Fourth Proportional to 20,152,599.48, 30,210,999.82 and 7,853,713.98

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Solution

The fourth proportional to 20,152,599.48, 30,210,999.82 and 7,853,713.98 is: 11,773,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,599.48 : 30,210,999.82 = 7,853,713.98 : x
  2. Step 2: Convert to fraction form
    20,152,599.48/30,210,999.82 = 7,853,713.98/x
  3. Step 3: Cross multiply
    20,152,599.48x = 30,210,999.82 × 7,853,713.98
  4. Step 4: Simplify right side
    20,152,599.48x = 237,268,551,596,842.94
  5. Step 5: Solve for x
    x = 237,268,551,596,842.94/20,152,599.48
  6. Step 6: Final answer
    x = 11,773,595.36

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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.