Home / 27,045,817.80-40,582,045.56-12,666,402.15

Finding the Fourth Proportional to 27,045,817.80, 40,582,045.56 and 12,666,402.15

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Solution

The fourth proportional to 27,045,817.80, 40,582,045.56 and 12,666,402.15 is: 19,005,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045,817.80 : 40,582,045.56 = 12,666,402.15 : x
  2. Step 2: Convert to fraction form
    27,045,817.80/40,582,045.56 = 12,666,402.15/x
  3. Step 3: Cross multiply
    27,045,817.80x = 40,582,045.56 × 12,666,402.15
  4. Step 4: Simplify right side
    27,045,817.80x = 514,028,509,184,923.75
  5. Step 5: Solve for x
    x = 514,028,509,184,923.75/27,045,817.80
  6. Step 6: Final answer
    x = 19,005,840.86

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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.