Home / 38,583,545.07-53,245,082.53-21,180,186.39

Finding the Fourth Proportional to 38,583,545.07, 53,245,082.53 and 21,180,186.39

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Solution

The fourth proportional to 38,583,545.07, 53,245,082.53 and 21,180,186.39 is: 29,228,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583,545.07 : 53,245,082.53 = 21,180,186.39 : x
  2. Step 2: Convert to fraction form
    38,583,545.07/53,245,082.53 = 21,180,186.39/x
  3. Step 3: Cross multiply
    38,583,545.07x = 53,245,082.53 × 21,180,186.39
  4. Step 4: Simplify right side
    38,583,545.07x = 1,127,740,772,336,332.75
  5. Step 5: Solve for x
    x = 1,127,740,772,336,332.75/38,583,545.07
  6. Step 6: Final answer
    x = 29,228,542.12

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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.