Home / 28,599,387.60-42,874,912.44-12,413,096.40

Finding the Fourth Proportional to 28,599,387.60, 42,874,912.44 and 12,413,096.40

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Solution

The fourth proportional to 28,599,387.60, 42,874,912.44 and 12,413,096.40 is: 18,609,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599,387.60 : 42,874,912.44 = 12,413,096.40 : x
  2. Step 2: Convert to fraction form
    28,599,387.60/42,874,912.44 = 12,413,096.40/x
  3. Step 3: Cross multiply
    28,599,387.60x = 42,874,912.44 × 12,413,096.40
  4. Step 4: Simplify right side
    28,599,387.60x = 532,210,421,259,279.19
  5. Step 5: Solve for x
    x = 532,210,421,259,279.19/28,599,387.60
  6. Step 6: Final answer
    x = 18,609,154.46

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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.