Home / 28,548,684.96-42,824,678.28-8,076,689.64

Finding the Fourth Proportional to 28,548,684.96, 42,824,678.28 and 8,076,689.64

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Solution

The fourth proportional to 28,548,684.96, 42,824,678.28 and 8,076,689.64 is: 12,115,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,684.96 : 42,824,678.28 = 8,076,689.64 : x
  2. Step 2: Convert to fraction form
    28,548,684.96/42,824,678.28 = 8,076,689.64/x
  3. Step 3: Cross multiply
    28,548,684.96x = 42,824,678.28 × 8,076,689.64
  4. Step 4: Simplify right side
    28,548,684.96x = 345,881,635,400,409
  5. Step 5: Solve for x
    x = 345,881,635,400,409/28,548,684.96
  6. Step 6: Final answer
    x = 12,115,501.50

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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.