Home / 21,292,795.20-31,927,528.80-10,486,332.48

Finding the Fourth Proportional to 21,292,795.20, 31,927,528.80 and 10,486,332.48

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Solution

The fourth proportional to 21,292,795.20, 31,927,528.80 and 10,486,332.48 is: 15,723,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292,795.20 : 31,927,528.80 = 10,486,332.48 : x
  2. Step 2: Convert to fraction form
    21,292,795.20/31,927,528.80 = 10,486,332.48/x
  3. Step 3: Cross multiply
    21,292,795.20x = 31,927,528.80 × 10,486,332.48
  4. Step 4: Simplify right side
    21,292,795.20x = 334,802,682,261,575.44
  5. Step 5: Solve for x
    x = 334,802,682,261,575.44/21,292,795.20
  6. Step 6: Final answer
    x = 15,723,754.40

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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.