Home / 12,292,663.60-18,452,992.20-7,246,817.20

Finding the Fourth Proportional to 12,292,663.60, 18,452,992.20 and 7,246,817.20

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Solution

The fourth proportional to 12,292,663.60, 18,452,992.20 and 7,246,817.20 is: 10,878,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,663.60 : 18,452,992.20 = 7,246,817.20 : x
  2. Step 2: Convert to fraction form
    12,292,663.60/18,452,992.20 = 7,246,817.20/x
  3. Step 3: Cross multiply
    12,292,663.60x = 18,452,992.20 × 7,246,817.20
  4. Step 4: Simplify right side
    12,292,663.60x = 133,725,461,266,425.84
  5. Step 5: Solve for x
    x = 133,725,461,266,425.84/12,292,663.60
  6. Step 6: Final answer
    x = 10,878,477.25

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1.5x scale

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.