Home / 12,452,652.60-18,686,852.10-7,335,072.60

Finding the Fourth Proportional to 12,452,652.60, 18,686,852.10 and 7,335,072.60

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Solution

The fourth proportional to 12,452,652.60, 18,686,852.10 and 7,335,072.60 is: 11,007,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,652.60 : 18,686,852.10 = 7,335,072.60 : x
  2. Step 2: Convert to fraction form
    12,452,652.60/18,686,852.10 = 7,335,072.60/x
  3. Step 3: Cross multiply
    12,452,652.60x = 18,686,852.10 × 7,335,072.60
  4. Step 4: Simplify right side
    12,452,652.60x = 137,069,416,818,962.47
  5. Step 5: Solve for x
    x = 137,069,416,818,962.47/12,452,652.60
  6. Step 6: Final answer
    x = 11,007,246.51

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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.