Home / 13,248,043.20-19,872,064.80-8,965,022.40

Finding the Fourth Proportional to 13,248,043.20, 19,872,064.80 and 8,965,022.40

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Solution

The fourth proportional to 13,248,043.20, 19,872,064.80 and 8,965,022.40 is: 13,447,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,043.20 : 19,872,064.80 = 8,965,022.40 : x
  2. Step 2: Convert to fraction form
    13,248,043.20/19,872,064.80 = 8,965,022.40/x
  3. Step 3: Cross multiply
    13,248,043.20x = 19,872,064.80 × 8,965,022.40
  4. Step 4: Simplify right side
    13,248,043.20x = 178,153,506,066,251.53
  5. Step 5: Solve for x
    x = 178,153,506,066,251.53/13,248,043.20
  6. Step 6: Final answer
    x = 13,447,533.60

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Similar ratio
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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.