Home / 10,011,983.09-15,009,068.03-3,620,814.57

Finding the Fourth Proportional to 10,011,983.09, 15,009,068.03 and 3,620,814.57

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Solution

The fourth proportional to 10,011,983.09, 15,009,068.03 and 3,620,814.57 is: 5,428,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,983.09 : 15,009,068.03 = 3,620,814.57 : x
  2. Step 2: Convert to fraction form
    10,011,983.09/15,009,068.03 = 3,620,814.57/x
  3. Step 3: Cross multiply
    10,011,983.09x = 15,009,068.03 × 3,620,814.57
  4. Step 4: Simplify right side
    10,011,983.09x = 54,345,052,187,041.12
  5. Step 5: Solve for x
    x = 54,345,052,187,041.12/10,011,983.09
  6. Step 6: Final answer
    x = 5,428,000.80

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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.