Home / 7,128,014.90-10,692,022.35-4,577,098.10

Finding the Fourth Proportional to 7,128,014.90, 10,692,022.35 and 4,577,098.10

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Solution

The fourth proportional to 7,128,014.90, 10,692,022.35 and 4,577,098.10 is: 6,865,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,014.90 : 10,692,022.35 = 4,577,098.10 : x
  2. Step 2: Convert to fraction form
    7,128,014.90/10,692,022.35 = 4,577,098.10/x
  3. Step 3: Cross multiply
    7,128,014.90x = 10,692,022.35 × 4,577,098.10
  4. Step 4: Simplify right side
    7,128,014.90x = 48,938,435,183,342.53
  5. Step 5: Solve for x
    x = 48,938,435,183,342.53/7,128,014.90
  6. Step 6: Final answer
    x = 6,865,647.15

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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.