Home / 25,550,079.40-38,329,784.70-10,405,541.80

Finding the Fourth Proportional to 25,550,079.40, 38,329,784.70 and 10,405,541.80

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Solution

The fourth proportional to 25,550,079.40, 38,329,784.70 and 10,405,541.80 is: 15,610,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550,079.40 : 38,329,784.70 = 10,405,541.80 : x
  2. Step 2: Convert to fraction form
    25,550,079.40/38,329,784.70 = 10,405,541.80/x
  3. Step 3: Cross multiply
    25,550,079.40x = 38,329,784.70 × 10,405,541.80
  4. Step 4: Simplify right side
    25,550,079.40x = 398,842,176,880,850.50
  5. Step 5: Solve for x
    x = 398,842,176,880,850.50/25,550,079.40
  6. Step 6: Final answer
    x = 15,610,212.82

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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.