Home / 19,580,353.95-27,021,729.20-10,878,526.56

Finding the Fourth Proportional to 19,580,353.95, 27,021,729.20 and 10,878,526.56

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Solution

The fourth proportional to 19,580,353.95, 27,021,729.20 and 10,878,526.56 is: 15,012,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580,353.95 : 27,021,729.20 = 10,878,526.56 : x
  2. Step 2: Convert to fraction form
    19,580,353.95/27,021,729.20 = 10,878,526.56/x
  3. Step 3: Cross multiply
    19,580,353.95x = 27,021,729.20 × 10,878,526.56
  4. Step 4: Simplify right side
    19,580,353.95x = 293,956,598,755,460.88
  5. Step 5: Solve for x
    x = 293,956,598,755,460.88/19,580,353.95
  6. Step 6: Final answer
    x = 15,012,833.76

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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.