Home / 12,010,245.40-18,015,368.10-4,435,643.80

Finding the Fourth Proportional to 12,010,245.40, 18,015,368.10 and 4,435,643.80

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Solution

The fourth proportional to 12,010,245.40, 18,015,368.10 and 4,435,643.80 is: 6,653,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,245.40 : 18,015,368.10 = 4,435,643.80 : x
  2. Step 2: Convert to fraction form
    12,010,245.40/18,015,368.10 = 4,435,643.80/x
  3. Step 3: Cross multiply
    12,010,245.40x = 18,015,368.10 × 4,435,643.80
  4. Step 4: Simplify right side
    12,010,245.40x = 79,909,755,817,482.78
  5. Step 5: Solve for x
    x = 79,909,755,817,482.78/12,010,245.40
  6. Step 6: Final answer
    x = 6,653,465.70

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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.