Home / 25,680,014.40-38,520,021.60-8,635,022.40

Finding the Fourth Proportional to 25,680,014.40, 38,520,021.60 and 8,635,022.40

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Solution

The fourth proportional to 25,680,014.40, 38,520,021.60 and 8,635,022.40 is: 12,952,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680,014.40 : 38,520,021.60 = 8,635,022.40 : x
  2. Step 2: Convert to fraction form
    25,680,014.40/38,520,021.60 = 8,635,022.40/x
  3. Step 3: Cross multiply
    25,680,014.40x = 38,520,021.60 × 8,635,022.40
  4. Step 4: Simplify right side
    25,680,014.40x = 332,621,249,364,483.88
  5. Step 5: Solve for x
    x = 332,621,249,364,483.88/25,680,014.40
  6. Step 6: Final answer
    x = 12,952,533.60

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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.