Home / 38,826,036.92-53,580,218.28-21,423,028.16

Finding the Fourth Proportional to 38,826,036.92, 53,580,218.28 and 21,423,028.16

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Solution

The fourth proportional to 38,826,036.92, 53,580,218.28 and 21,423,028.16 is: 29,563,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826,036.92 : 53,580,218.28 = 21,423,028.16 : x
  2. Step 2: Convert to fraction form
    38,826,036.92/53,580,218.28 = 21,423,028.16/x
  3. Step 3: Cross multiply
    38,826,036.92x = 53,580,218.28 × 21,423,028.16
  4. Step 4: Simplify right side
    38,826,036.92x = 1,147,850,525,031,386.75
  5. Step 5: Solve for x
    x = 1,147,850,525,031,386.75/38,826,036.92
  6. Step 6: Final answer
    x = 29,563,937.40

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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.