Home / 5,445,905.40-8,168,858.10-5,184,631.80

Finding the Fourth Proportional to 5,445,905.40, 8,168,858.10 and 5,184,631.80

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Solution

The fourth proportional to 5,445,905.40, 8,168,858.10 and 5,184,631.80 is: 7,776,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,905.40 : 8,168,858.10 = 5,184,631.80 : x
  2. Step 2: Convert to fraction form
    5,445,905.40/8,168,858.10 = 5,184,631.80/x
  3. Step 3: Cross multiply
    5,445,905.40x = 8,168,858.10 × 5,184,631.80
  4. Step 4: Simplify right side
    5,445,905.40x = 42,352,521,474,947.58
  5. Step 5: Solve for x
    x = 42,352,521,474,947.58/5,445,905.40
  6. Step 6: Final answer
    x = 7,776,947.70

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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.