Home / 15,725,940.60-21,708,493.86-10,572,291.51

Finding the Fourth Proportional to 15,725,940.60, 21,708,493.86 and 10,572,291.51

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Solution

The fourth proportional to 15,725,940.60, 21,708,493.86 and 10,572,291.51 is: 14,594,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,940.60 : 21,708,493.86 = 10,572,291.51 : x
  2. Step 2: Convert to fraction form
    15,725,940.60/21,708,493.86 = 10,572,291.51/x
  3. Step 3: Cross multiply
    15,725,940.60x = 21,708,493.86 × 10,572,291.51
  4. Step 4: Simplify right side
    15,725,940.60x = 229,508,525,330,965.12
  5. Step 5: Solve for x
    x = 229,508,525,330,965.12/15,725,940.60
  6. Step 6: Final answer
    x = 14,594,263.78

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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.