Home / 6,605,280.90-9,907,921.35-5,765,472.90

Finding the Fourth Proportional to 6,605,280.90, 9,907,921.35 and 5,765,472.90

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Solution

The fourth proportional to 6,605,280.90, 9,907,921.35 and 5,765,472.90 is: 8,648,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,280.90 : 9,907,921.35 = 5,765,472.90 : x
  2. Step 2: Convert to fraction form
    6,605,280.90/9,907,921.35 = 5,765,472.90/x
  3. Step 3: Cross multiply
    6,605,280.90x = 9,907,921.35 × 5,765,472.90
  4. Step 4: Simplify right side
    6,605,280.90x = 57,123,852,038,756.41
  5. Step 5: Solve for x
    x = 57,123,852,038,756.41/6,605,280.90
  6. Step 6: Final answer
    x = 8,648,209.35

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Double scale
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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.