Home / 18,838,581.16-28,262,085.66-6,871,317.16

Finding the Fourth Proportional to 18,838,581.16, 28,262,085.66 and 6,871,317.16

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Solution

The fourth proportional to 18,838,581.16, 28,262,085.66 and 6,871,317.16 is: 10,308,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838,581.16 : 28,262,085.66 = 6,871,317.16 : x
  2. Step 2: Convert to fraction form
    18,838,581.16/28,262,085.66 = 6,871,317.16/x
  3. Step 3: Cross multiply
    18,838,581.16x = 28,262,085.66 × 6,871,317.16
  4. Step 4: Simplify right side
    18,838,581.16x = 194,197,754,172,947.94
  5. Step 5: Solve for x
    x = 194,197,754,172,947.94/18,838,581.16
  6. Step 6: Final answer
    x = 10,308,512.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.