Home / 13,124,147.60-19,686,221.40-8,316,246.80

Finding the Fourth Proportional to 13,124,147.60, 19,686,221.40 and 8,316,246.80

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Solution

The fourth proportional to 13,124,147.60, 19,686,221.40 and 8,316,246.80 is: 12,474,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,147.60 : 19,686,221.40 = 8,316,246.80 : x
  2. Step 2: Convert to fraction form
    13,124,147.60/19,686,221.40 = 8,316,246.80/x
  3. Step 3: Cross multiply
    13,124,147.60x = 19,686,221.40 × 8,316,246.80
  4. Step 4: Simplify right side
    13,124,147.60x = 163,715,475,721,841.50
  5. Step 5: Solve for x
    x = 163,715,475,721,841.50/13,124,147.60
  6. Step 6: Final answer
    x = 12,474,370.20

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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.