Home / 40,072,114.80-60,108,172.20-9,779,977.80

Finding the Fourth Proportional to 40,072,114.80, 60,108,172.20 and 9,779,977.80

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Solution

The fourth proportional to 40,072,114.80, 60,108,172.20 and 9,779,977.80 is: 14,669,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072,114.80 : 60,108,172.20 = 9,779,977.80 : x
  2. Step 2: Convert to fraction form
    40,072,114.80/60,108,172.20 = 9,779,977.80/x
  3. Step 3: Cross multiply
    40,072,114.80x = 60,108,172.20 × 9,779,977.80
  4. Step 4: Simplify right side
    40,072,114.80x = 587,856,589,714,577.25
  5. Step 5: Solve for x
    x = 587,856,589,714,577.25/40,072,114.80
  6. Step 6: Final answer
    x = 14,669,966.70

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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.