Home / 7,887,320.30-11,822,815.65-4,285,477.10

Finding the Fourth Proportional to 7,887,320.30, 11,822,815.65 and 4,285,477.10

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Solution

The fourth proportional to 7,887,320.30, 11,822,815.65 and 4,285,477.10 is: 6,423,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,320.30 : 11,822,815.65 = 4,285,477.10 : x
  2. Step 2: Convert to fraction form
    7,887,320.30/11,822,815.65 = 4,285,477.10/x
  3. Step 3: Cross multiply
    7,887,320.30x = 11,822,815.65 × 4,285,477.10
  4. Step 4: Simplify right side
    7,887,320.30x = 50,666,405,725,596.61
  5. Step 5: Solve for x
    x = 50,666,405,725,596.61/7,887,320.30
  6. Step 6: Final answer
    x = 6,423,779.41

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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.