Home / 13,488,000.30-20,232,000.45-11,929,106.70

Finding the Fourth Proportional to 13,488,000.30, 20,232,000.45 and 11,929,106.70

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Solution

The fourth proportional to 13,488,000.30, 20,232,000.45 and 11,929,106.70 is: 17,893,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,000.30 : 20,232,000.45 = 11,929,106.70 : x
  2. Step 2: Convert to fraction form
    13,488,000.30/20,232,000.45 = 11,929,106.70/x
  3. Step 3: Cross multiply
    13,488,000.30x = 20,232,000.45 × 11,929,106.70
  4. Step 4: Simplify right side
    13,488,000.30x = 241,349,692,122,498
  5. Step 5: Solve for x
    x = 241,349,692,122,498/13,488,000.30
  6. Step 6: Final answer
    x = 17,893,660.05

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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.