Home / 28,387,283.72-42,580,925.58-8,958,478.85

Finding the Fourth Proportional to 28,387,283.72, 42,580,925.58 and 8,958,478.85

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Solution

The fourth proportional to 28,387,283.72, 42,580,925.58 and 8,958,478.85 is: 13,437,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,283.72 : 42,580,925.58 = 8,958,478.85 : x
  2. Step 2: Convert to fraction form
    28,387,283.72/42,580,925.58 = 8,958,478.85/x
  3. Step 3: Cross multiply
    28,387,283.72x = 42,580,925.58 × 8,958,478.85
  4. Step 4: Simplify right side
    28,387,283.72x = 381,460,321,221,853.94
  5. Step 5: Solve for x
    x = 381,460,321,221,853.94/28,387,283.72
  6. Step 6: Final answer
    x = 13,437,718.28

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1.5x scale

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.