Home / 18,312,072.30-27,472,482.45-5,532,702.30

Finding the Fourth Proportional to 18,312,072.30, 27,472,482.45 and 5,532,702.30

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Solution

The fourth proportional to 18,312,072.30, 27,472,482.45 and 5,532,702.30 is: 8,300,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,072.30 : 27,472,482.45 = 5,532,702.30 : x
  2. Step 2: Convert to fraction form
    18,312,072.30/27,472,482.45 = 5,532,702.30/x
  3. Step 3: Cross multiply
    18,312,072.30x = 27,472,482.45 × 5,532,702.30
  4. Step 4: Simplify right side
    18,312,072.30x = 151,997,066,837,824.62
  5. Step 5: Solve for x
    x = 151,997,066,837,824.62/18,312,072.30
  6. Step 6: Final answer
    x = 8,300,374.98

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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.