Home / 8,166,321.60-12,249,482.40-4,185,009.60

Finding the Fourth Proportional to 8,166,321.60, 12,249,482.40 and 4,185,009.60

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Solution

The fourth proportional to 8,166,321.60, 12,249,482.40 and 4,185,009.60 is: 6,277,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166,321.60 : 12,249,482.40 = 4,185,009.60 : x
  2. Step 2: Convert to fraction form
    8,166,321.60/12,249,482.40 = 4,185,009.60/x
  3. Step 3: Cross multiply
    8,166,321.60x = 12,249,482.40 × 4,185,009.60
  4. Step 4: Simplify right side
    8,166,321.60x = 51,264,201,439,031.04
  5. Step 5: Solve for x
    x = 51,264,201,439,031.04/8,166,321.60
  6. Step 6: Final answer
    x = 6,277,514.40

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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.