Home / 15,819,320.25-21,832,991.51-10,018,641.33

Finding the Fourth Proportional to 15,819,320.25, 21,832,991.51 and 10,018,641.33

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Solution

The fourth proportional to 15,819,320.25, 21,832,991.51 and 10,018,641.33 is: 13,827,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,320.25 : 21,832,991.51 = 10,018,641.33 : x
  2. Step 2: Convert to fraction form
    15,819,320.25/21,832,991.51 = 10,018,641.33/x
  3. Step 3: Cross multiply
    15,819,320.25x = 21,832,991.51 × 10,018,641.33
  4. Step 4: Simplify right side
    15,819,320.25x = 218,736,911,049,531.91
  5. Step 5: Solve for x
    x = 218,736,911,049,531.91/15,819,320.25
  6. Step 6: Final answer
    x = 13,827,200.38

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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.