Home / 38,533,347-53,177,632.38-21,130,362.54

Finding the Fourth Proportional to 38,533,347, 53,177,632.38 and 21,130,362.54

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Solution

The fourth proportional to 38,533,347, 53,177,632.38 and 21,130,362.54 is: 29,160,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533,347 : 53,177,632.38 = 21,130,362.54 : x
  2. Step 2: Convert to fraction form
    38,533,347/53,177,632.38 = 21,130,362.54/x
  3. Step 3: Cross multiply
    38,533,347x = 53,177,632.38 × 21,130,362.54
  4. Step 4: Simplify right side
    38,533,347x = 1,123,662,651,208,243
  5. Step 5: Solve for x
    x = 1,123,662,651,208,243/38,533,347
  6. Step 6: Final answer
    x = 29,160,785.10

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1.5x scale

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.