Home / 8,403,219.80-12,604,829.70-5,533,438.40

Finding the Fourth Proportional to 8,403,219.80, 12,604,829.70 and 5,533,438.40

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Solution

The fourth proportional to 8,403,219.80, 12,604,829.70 and 5,533,438.40 is: 8,300,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,219.80 : 12,604,829.70 = 5,533,438.40 : x
  2. Step 2: Convert to fraction form
    8,403,219.80/12,604,829.70 = 5,533,438.40/x
  3. Step 3: Cross multiply
    8,403,219.80x = 12,604,829.70 × 5,533,438.40
  4. Step 4: Simplify right side
    8,403,219.80x = 69,748,048,687,440.48
  5. Step 5: Solve for x
    x = 69,748,048,687,440.48/8,403,219.80
  6. Step 6: Final answer
    x = 8,300,157.60

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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.