Home / 30,245,053.80-45,362,331.90-11,065,938.60

Finding the Fourth Proportional to 30,245,053.80, 45,362,331.90 and 11,065,938.60

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Solution

The fourth proportional to 30,245,053.80, 45,362,331.90 and 11,065,938.60 is: 16,596,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245,053.80 : 45,362,331.90 = 11,065,938.60 : x
  2. Step 2: Convert to fraction form
    30,245,053.80/45,362,331.90 = 11,065,938.60/x
  3. Step 3: Cross multiply
    30,245,053.80x = 45,362,331.90 × 11,065,938.60
  4. Step 4: Simplify right side
    30,245,053.80x = 501,976,779,558,221.31
  5. Step 5: Solve for x
    x = 501,976,779,558,221.31/30,245,053.80
  6. Step 6: Final answer
    x = 16,596,987.49

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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.