Home / 12,215,602.60-18,323,403.90-11,459,775.40

Finding the Fourth Proportional to 12,215,602.60, 18,323,403.90 and 11,459,775.40

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Solution

The fourth proportional to 12,215,602.60, 18,323,403.90 and 11,459,775.40 is: 17,189,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,602.60 : 18,323,403.90 = 11,459,775.40 : x
  2. Step 2: Convert to fraction form
    12,215,602.60/18,323,403.90 = 11,459,775.40/x
  3. Step 3: Cross multiply
    12,215,602.60x = 18,323,403.90 × 11,459,775.40
  4. Step 4: Simplify right side
    12,215,602.60x = 209,982,093,257,484.06
  5. Step 5: Solve for x
    x = 209,982,093,257,484.06/12,215,602.60
  6. Step 6: Final answer
    x = 17,189,663.10

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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.