Home / 25,393,532.40-38,090,298.60-18,927,010.80

Finding the Fourth Proportional to 25,393,532.40, 38,090,298.60 and 18,927,010.80

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Solution

The fourth proportional to 25,393,532.40, 38,090,298.60 and 18,927,010.80 is: 28,390,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393,532.40 : 38,090,298.60 = 18,927,010.80 : x
  2. Step 2: Convert to fraction form
    25,393,532.40/38,090,298.60 = 18,927,010.80/x
  3. Step 3: Cross multiply
    25,393,532.40x = 38,090,298.60 × 18,927,010.80
  4. Step 4: Simplify right side
    25,393,532.40x = 720,935,492,977,424.88
  5. Step 5: Solve for x
    x = 720,935,492,977,424.88/25,393,532.40
  6. Step 6: Final answer
    x = 28,390,516.20

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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.