Home / 27,810,568.08-38,378,666.60-15,421,534.28

Finding the Fourth Proportional to 27,810,568.08, 38,378,666.60 and 15,421,534.28

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Solution

The fourth proportional to 27,810,568.08, 38,378,666.60 and 15,421,534.28 is: 21,281,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810,568.08 : 38,378,666.60 = 15,421,534.28 : x
  2. Step 2: Convert to fraction form
    27,810,568.08/38,378,666.60 = 15,421,534.28/x
  3. Step 3: Cross multiply
    27,810,568.08x = 38,378,666.60 × 15,421,534.28
  4. Step 4: Simplify right side
    27,810,568.08x = 591,857,922,592,591
  5. Step 5: Solve for x
    x = 591,857,922,592,591/27,810,568.08
  6. Step 6: Final answer
    x = 21,281,763.14

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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.