Home / 40,895,999.80-61,343,999.70-12,146,572.60

Finding the Fourth Proportional to 40,895,999.80, 61,343,999.70 and 12,146,572.60

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Solution

The fourth proportional to 40,895,999.80, 61,343,999.70 and 12,146,572.60 is: 18,219,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895,999.80 : 61,343,999.70 = 12,146,572.60 : x
  2. Step 2: Convert to fraction form
    40,895,999.80/61,343,999.70 = 12,146,572.60/x
  3. Step 3: Cross multiply
    40,895,999.80x = 61,343,999.70 × 12,146,572.60
  4. Step 4: Simplify right side
    40,895,999.80x = 745,119,345,930,428.25
  5. Step 5: Solve for x
    x = 745,119,345,930,428.25/40,895,999.80
  6. Step 6: Final answer
    x = 18,219,858.90

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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.