Home / 10,615,070.70-15,898,986.45-8,725,502.70

Finding the Fourth Proportional to 10,615,070.70, 15,898,986.45 and 8,725,502.70

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Solution

The fourth proportional to 10,615,070.70, 15,898,986.45 and 8,725,502.70 is: 13,068,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,070.70 : 15,898,986.45 = 8,725,502.70 : x
  2. Step 2: Convert to fraction form
    10,615,070.70/15,898,986.45 = 8,725,502.70/x
  3. Step 3: Cross multiply
    10,615,070.70x = 15,898,986.45 × 8,725,502.70
  4. Step 4: Simplify right side
    10,615,070.70x = 138,726,649,196,738.39
  5. Step 5: Solve for x
    x = 138,726,649,196,738.39/10,615,070.70
  6. Step 6: Final answer
    x = 13,068,838.93

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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.