Home / 12,960,047.20-19,440,070.80-8,677,026.40

Finding the Fourth Proportional to 12,960,047.20, 19,440,070.80 and 8,677,026.40

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Solution

The fourth proportional to 12,960,047.20, 19,440,070.80 and 8,677,026.40 is: 13,015,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,047.20 : 19,440,070.80 = 8,677,026.40 : x
  2. Step 2: Convert to fraction form
    12,960,047.20/19,440,070.80 = 8,677,026.40/x
  3. Step 3: Cross multiply
    12,960,047.20x = 19,440,070.80 × 8,677,026.40
  4. Step 4: Simplify right side
    12,960,047.20x = 168,682,007,549,469.12
  5. Step 5: Solve for x
    x = 168,682,007,549,469.12/12,960,047.20
  6. Step 6: Final answer
    x = 13,015,539.60

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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.