Home / 10,225,863.57-14,111,987.16-5,642,480.19

Finding the Fourth Proportional to 10,225,863.57, 14,111,987.16 and 5,642,480.19

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Solution

The fourth proportional to 10,225,863.57, 14,111,987.16 and 5,642,480.19 is: 7,786,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225,863.57 : 14,111,987.16 = 5,642,480.19 : x
  2. Step 2: Convert to fraction form
    10,225,863.57/14,111,987.16 = 5,642,480.19/x
  3. Step 3: Cross multiply
    10,225,863.57x = 14,111,987.16 × 5,642,480.19
  4. Step 4: Simplify right side
    10,225,863.57x = 79,626,607,991,834.36
  5. Step 5: Solve for x
    x = 79,626,607,991,834.36/10,225,863.57
  6. Step 6: Final answer
    x = 7,786,785.68

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Double scale
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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.