Home / 8,403,303.80-12,604,955.70-8,216,679.80

Finding the Fourth Proportional to 8,403,303.80, 12,604,955.70 and 8,216,679.80

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Solution

The fourth proportional to 8,403,303.80, 12,604,955.70 and 8,216,679.80 is: 12,325,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,303.80 : 12,604,955.70 = 8,216,679.80 : x
  2. Step 2: Convert to fraction form
    8,403,303.80/12,604,955.70 = 8,216,679.80/x
  3. Step 3: Cross multiply
    8,403,303.80x = 12,604,955.70 × 8,216,679.80
  4. Step 4: Simplify right side
    8,403,303.80x = 103,570,884,880,084.84
  5. Step 5: Solve for x
    x = 103,570,884,880,084.84/8,403,303.80
  6. Step 6: Final answer
    x = 12,325,019.70

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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.