Home / 25,743,828.40-38,615,742.60-13,608,602.80

Finding the Fourth Proportional to 25,743,828.40, 38,615,742.60 and 13,608,602.80

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Solution

The fourth proportional to 25,743,828.40, 38,615,742.60 and 13,608,602.80 is: 20,412,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743,828.40 : 38,615,742.60 = 13,608,602.80 : x
  2. Step 2: Convert to fraction form
    25,743,828.40/38,615,742.60 = 13,608,602.80/x
  3. Step 3: Cross multiply
    25,743,828.40x = 38,615,742.60 × 13,608,602.80
  4. Step 4: Simplify right side
    25,743,828.40x = 525,506,302,870,439.31
  5. Step 5: Solve for x
    x = 525,506,302,870,439.31/25,743,828.40
  6. Step 6: Final answer
    x = 20,412,904.20

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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.