Home / 10,507,481.40-15,773,663.70-10,432,831.80

Finding the Fourth Proportional to 10,507,481.40, 15,773,663.70 and 10,432,831.80

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Solution

The fourth proportional to 10,507,481.40, 15,773,663.70 and 10,432,831.80 is: 15,661,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,481.40 : 15,773,663.70 = 10,432,831.80 : x
  2. Step 2: Convert to fraction form
    10,507,481.40/15,773,663.70 = 10,432,831.80/x
  3. Step 3: Cross multiply
    10,507,481.40x = 15,773,663.70 × 10,432,831.80
  4. Step 4: Simplify right side
    10,507,481.40x = 164,563,980,251,865.66
  5. Step 5: Solve for x
    x = 164,563,980,251,865.66/10,507,481.40
  6. Step 6: Final answer
    x = 15,661,600.91

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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.