Home / 7,136,999.43-9,849,069.20-3,873,814.91

Finding the Fourth Proportional to 7,136,999.43, 9,849,069.20 and 3,873,814.91

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Solution

The fourth proportional to 7,136,999.43, 9,849,069.20 and 3,873,814.91 is: 5,345,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,999.43 : 9,849,069.20 = 3,873,814.91 : x
  2. Step 2: Convert to fraction form
    7,136,999.43/9,849,069.20 = 3,873,814.91/x
  3. Step 3: Cross multiply
    7,136,999.43x = 9,849,069.20 × 3,873,814.91
  4. Step 4: Simplify right side
    7,136,999.43x = 38,153,471,047,967.35
  5. Step 5: Solve for x
    x = 38,153,471,047,967.35/7,136,999.43
  6. Step 6: Final answer
    x = 5,345,869.99

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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.