Home / 13,456,064.80-20,184,097.20-12,416,802.40

Finding the Fourth Proportional to 13,456,064.80, 20,184,097.20 and 12,416,802.40

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Solution

The fourth proportional to 13,456,064.80, 20,184,097.20 and 12,416,802.40 is: 18,625,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,064.80 : 20,184,097.20 = 12,416,802.40 : x
  2. Step 2: Convert to fraction form
    13,456,064.80/20,184,097.20 = 12,416,802.40/x
  3. Step 3: Cross multiply
    13,456,064.80x = 20,184,097.20 × 12,416,802.40
  4. Step 4: Simplify right side
    13,456,064.80x = 250,621,946,554,793.28
  5. Step 5: Solve for x
    x = 250,621,946,554,793.28/13,456,064.80
  6. Step 6: Final answer
    x = 18,625,203.60

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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.