Home / 15,345,029.10-21,174,632.52-8,469,068.30

Finding the Fourth Proportional to 15,345,029.10, 21,174,632.52 and 8,469,068.30

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Solution

The fourth proportional to 15,345,029.10, 21,174,632.52 and 8,469,068.30 is: 11,686,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,029.10 : 21,174,632.52 = 8,469,068.30 : x
  2. Step 2: Convert to fraction form
    15,345,029.10/21,174,632.52 = 8,469,068.30/x
  3. Step 3: Cross multiply
    15,345,029.10x = 21,174,632.52 × 8,469,068.30
  4. Step 4: Simplify right side
    15,345,029.10x = 179,329,409,039,281.12
  5. Step 5: Solve for x
    x = 179,329,409,039,281.12/15,345,029.10
  6. Step 6: Final answer
    x = 11,686,482.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.