Home / 28,357,322.10-42,535,983.15-7,887,002.10

Finding the Fourth Proportional to 28,357,322.10, 42,535,983.15 and 7,887,002.10

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Solution

The fourth proportional to 28,357,322.10, 42,535,983.15 and 7,887,002.10 is: 11,830,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357,322.10 : 42,535,983.15 = 7,887,002.10 : x
  2. Step 2: Convert to fraction form
    28,357,322.10/42,535,983.15 = 7,887,002.10/x
  3. Step 3: Cross multiply
    28,357,322.10x = 42,535,983.15 × 7,887,002.10
  4. Step 4: Simplify right side
    28,357,322.10x = 335,481,388,429,614.56
  5. Step 5: Solve for x
    x = 335,481,388,429,614.56/28,357,322.10
  6. Step 6: Final answer
    x = 11,830,503.15

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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.