Home / 28,386,922.30-42,579,768.66-7,916,095.65

Finding the Fourth Proportional to 28,386,922.30, 42,579,768.66 and 7,916,095.65

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Solution

The fourth proportional to 28,386,922.30, 42,579,768.66 and 7,916,095.65 is: 11,873,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,922.30 : 42,579,768.66 = 7,916,095.65 : x
  2. Step 2: Convert to fraction form
    28,386,922.30/42,579,768.66 = 7,916,095.65/x
  3. Step 3: Cross multiply
    28,386,922.30x = 42,579,768.66 × 7,916,095.65
  4. Step 4: Simplify right side
    28,386,922.30x = 337,065,521,254,533.44
  5. Step 5: Solve for x
    x = 337,065,521,254,533.44/28,386,922.30
  6. Step 6: Final answer
    x = 11,873,972.02

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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.