Home / 13,459,504.60-20,189,256.90-12,556,054.90

Finding the Fourth Proportional to 13,459,504.60, 20,189,256.90 and 12,556,054.90

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Solution

The fourth proportional to 13,459,504.60, 20,189,256.90 and 12,556,054.90 is: 18,834,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,504.60 : 20,189,256.90 = 12,556,054.90 : x
  2. Step 2: Convert to fraction form
    13,459,504.60/20,189,256.90 = 12,556,054.90/x
  3. Step 3: Cross multiply
    13,459,504.60x = 20,189,256.90 × 12,556,054.90
  4. Step 4: Simplify right side
    13,459,504.60x = 253,497,418,026,603.81
  5. Step 5: Solve for x
    x = 253,497,418,026,603.81/13,459,504.60
  6. Step 6: Final answer
    x = 18,834,082.35

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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.