Home / 19,168,440.40-28,748,513.40-8,385,720.40

Finding the Fourth Proportional to 19,168,440.40, 28,748,513.40 and 8,385,720.40

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Solution

The fourth proportional to 19,168,440.40, 28,748,513.40 and 8,385,720.40 is: 12,576,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168,440.40 : 28,748,513.40 = 8,385,720.40 : x
  2. Step 2: Convert to fraction form
    19,168,440.40/28,748,513.40 = 8,385,720.40/x
  3. Step 3: Cross multiply
    19,168,440.40x = 28,748,513.40 × 8,385,720.40
  4. Step 4: Simplify right side
    19,168,440.40x = 241,076,995,288,053.34
  5. Step 5: Solve for x
    x = 241,076,995,288,053.34/19,168,440.40
  6. Step 6: Final answer
    x = 12,576,766.30

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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.