Home / 7,136,976.91-9,849,038.10-3,873,792.31

Finding the Fourth Proportional to 7,136,976.91, 9,849,038.10 and 3,873,792.31

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Solution

The fourth proportional to 7,136,976.91, 9,849,038.10 and 3,873,792.31 is: 5,345,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,976.91 : 9,849,038.10 = 3,873,792.31 : x
  2. Step 2: Convert to fraction form
    7,136,976.91/9,849,038.10 = 3,873,792.31/x
  3. Step 3: Cross multiply
    7,136,976.91x = 9,849,038.10 × 3,873,792.31
  4. Step 4: Simplify right side
    7,136,976.91x = 38,153,128,033,308.05
  5. Step 5: Solve for x
    x = 38,153,128,033,308.05/7,136,976.91
  6. Step 6: Final answer
    x = 5,345,838.80

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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.