Home / 38,957,752.36-53,763,280.77-21,553,814.13

Finding the Fourth Proportional to 38,957,752.36, 53,763,280.77 and 21,553,814.13

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Solution

The fourth proportional to 38,957,752.36, 53,763,280.77 and 21,553,814.13 is: 29,745,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,752.36 : 53,763,280.77 = 21,553,814.13 : x
  2. Step 2: Convert to fraction form
    38,957,752.36/53,763,280.77 = 21,553,814.13/x
  3. Step 3: Cross multiply
    38,957,752.36x = 53,763,280.77 × 21,553,814.13
  4. Step 4: Simplify right side
    38,957,752.36x = 1,158,803,760,735,583.25
  5. Step 5: Solve for x
    x = 1,158,803,760,735,583.25/38,957,752.36
  6. Step 6: Final answer
    x = 29,745,139.04

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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.