Home / 40,072,006.80-60,108,010.20-9,779,869.80

Finding the Fourth Proportional to 40,072,006.80, 60,108,010.20 and 9,779,869.80

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Solution

The fourth proportional to 40,072,006.80, 60,108,010.20 and 9,779,869.80 is: 14,669,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072,006.80 : 60,108,010.20 = 9,779,869.80 : x
  2. Step 2: Convert to fraction form
    40,072,006.80/60,108,010.20 = 9,779,869.80/x
  3. Step 3: Cross multiply
    40,072,006.80x = 60,108,010.20 × 9,779,869.80
  4. Step 4: Simplify right side
    40,072,006.80x = 587,848,513,693,072
  5. Step 5: Solve for x
    x = 587,848,513,693,072/40,072,006.80
  6. Step 6: Final answer
    x = 14,669,804.70

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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.