Home / 14,573,798.47-20,113,615.10-8,462,226.79

Finding the Fourth Proportional to 14,573,798.47, 20,113,615.10 and 8,462,226.79

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Solution

The fourth proportional to 14,573,798.47, 20,113,615.10 and 8,462,226.79 is: 11,678,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,798.47 : 20,113,615.10 = 8,462,226.79 : x
  2. Step 2: Convert to fraction form
    14,573,798.47/20,113,615.10 = 8,462,226.79/x
  3. Step 3: Cross multiply
    14,573,798.47x = 20,113,615.10 × 8,462,226.79
  4. Step 4: Simplify right side
    14,573,798.47x = 170,205,972,542,968.53
  5. Step 5: Solve for x
    x = 170,205,972,542,968.53/14,573,798.47
  6. Step 6: Final answer
    x = 11,678,902.58

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1.5x scale

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.