Home / 20,756,030.95-31,134,044.80-10,519,296.31

Finding the Fourth Proportional to 20,756,030.95, 31,134,044.80 and 10,519,296.31

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Solution

The fourth proportional to 20,756,030.95, 31,134,044.80 and 10,519,296.31 is: 15,778,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756,030.95 : 31,134,044.80 = 10,519,296.31 : x
  2. Step 2: Convert to fraction form
    20,756,030.95/31,134,044.80 = 10,519,296.31/x
  3. Step 3: Cross multiply
    20,756,030.95x = 31,134,044.80 × 10,519,296.31
  4. Step 4: Simplify right side
    20,756,030.95x = 327,508,242,580,014.69
  5. Step 5: Solve for x
    x = 327,508,242,580,014.69/20,756,030.95
  6. Step 6: Final answer
    x = 15,778,943.64

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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.