Home / 13,191,919.20-19,787,878.80-10,924,437.60

Finding the Fourth Proportional to 13,191,919.20, 19,787,878.80 and 10,924,437.60

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Solution

The fourth proportional to 13,191,919.20, 19,787,878.80 and 10,924,437.60 is: 16,386,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,919.20 : 19,787,878.80 = 10,924,437.60 : x
  2. Step 2: Convert to fraction form
    13,191,919.20/19,787,878.80 = 10,924,437.60/x
  3. Step 3: Cross multiply
    13,191,919.20x = 19,787,878.80 × 10,924,437.60
  4. Step 4: Simplify right side
    13,191,919.20x = 216,171,447,186,962.88
  5. Step 5: Solve for x
    x = 216,171,447,186,962.88/13,191,919.20
  6. Step 6: Final answer
    x = 16,386,656.40

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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.