Home / 15,678,023.52-23,494,980.60-12,468,907.20

Finding the Fourth Proportional to 15,678,023.52, 23,494,980.60 and 12,468,907.20

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Solution

The fourth proportional to 15,678,023.52, 23,494,980.60 and 12,468,907.20 is: 18,685,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,023.52 : 23,494,980.60 = 12,468,907.20 : x
  2. Step 2: Convert to fraction form
    15,678,023.52/23,494,980.60 = 12,468,907.20/x
  3. Step 3: Cross multiply
    15,678,023.52x = 23,494,980.60 × 12,468,907.20
  4. Step 4: Simplify right side
    15,678,023.52x = 292,956,732,767,200.31
  5. Step 5: Solve for x
    x = 292,956,732,767,200.31/15,678,023.52
  6. Step 6: Final answer
    x = 18,685,820.47

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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.