Home / 30,386,957.51-41,918,309.20-20,594,052.65

Finding the Fourth Proportional to 30,386,957.51, 41,918,309.20 and 20,594,052.65

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Solution

The fourth proportional to 30,386,957.51, 41,918,309.20 and 20,594,052.65 is: 28,409,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,957.51 : 41,918,309.20 = 20,594,052.65 : x
  2. Step 2: Convert to fraction form
    30,386,957.51/41,918,309.20 = 20,594,052.65/x
  3. Step 3: Cross multiply
    30,386,957.51x = 41,918,309.20 × 20,594,052.65
  4. Step 4: Simplify right side
    30,386,957.51x = 863,267,866,559,896.25
  5. Step 5: Solve for x
    x = 863,267,866,559,896.25/30,386,957.51
  6. Step 6: Final answer
    x = 28,409,157.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.