Home / 10,018,421.52-13,825,448.15-5,434,742.90

Finding the Fourth Proportional to 10,018,421.52, 13,825,448.15 and 5,434,742.90

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Solution

The fourth proportional to 10,018,421.52, 13,825,448.15 and 5,434,742.90 is: 7,499,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,421.52 : 13,825,448.15 = 5,434,742.90 : x
  2. Step 2: Convert to fraction form
    10,018,421.52/13,825,448.15 = 5,434,742.90/x
  3. Step 3: Cross multiply
    10,018,421.52x = 13,825,448.15 × 5,434,742.90
  4. Step 4: Simplify right side
    10,018,421.52x = 75,137,756,076,229.67
  5. Step 5: Solve for x
    x = 75,137,756,076,229.67/10,018,421.52
  6. Step 6: Final answer
    x = 7,499,959.54

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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.