Home / 10,753,617.20-16,130,425.80-4,769,985.20

Finding the Fourth Proportional to 10,753,617.20, 16,130,425.80 and 4,769,985.20

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Solution

The fourth proportional to 10,753,617.20, 16,130,425.80 and 4,769,985.20 is: 7,154,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,617.20 : 16,130,425.80 = 4,769,985.20 : x
  2. Step 2: Convert to fraction form
    10,753,617.20/16,130,425.80 = 4,769,985.20/x
  3. Step 3: Cross multiply
    10,753,617.20x = 16,130,425.80 × 4,769,985.20
  4. Step 4: Simplify right side
    10,753,617.20x = 76,941,892,335,698.17
  5. Step 5: Solve for x
    x = 76,941,892,335,698.17/10,753,617.20
  6. Step 6: Final answer
    x = 7,154,977.80

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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.