Home / 12,286,364.80-18,429,547.20-5,895,529.60

Finding the Fourth Proportional to 12,286,364.80, 18,429,547.20 and 5,895,529.60

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Solution

The fourth proportional to 12,286,364.80, 18,429,547.20 and 5,895,529.60 is: 8,843,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,364.80 : 18,429,547.20 = 5,895,529.60 : x
  2. Step 2: Convert to fraction form
    12,286,364.80/18,429,547.20 = 5,895,529.60/x
  3. Step 3: Cross multiply
    12,286,364.80x = 18,429,547.20 × 5,895,529.60
  4. Step 4: Simplify right side
    12,286,364.80x = 108,651,941,032,197.11
  5. Step 5: Solve for x
    x = 108,651,941,032,197.11/12,286,364.80
  6. Step 6: Final answer
    x = 8,843,294.40

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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.