Home / 13,037,554.80-19,556,332.20-12,785,612.40

Finding the Fourth Proportional to 13,037,554.80, 19,556,332.20 and 12,785,612.40

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Solution

The fourth proportional to 13,037,554.80, 19,556,332.20 and 12,785,612.40 is: 19,178,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,554.80 : 19,556,332.20 = 12,785,612.40 : x
  2. Step 2: Convert to fraction form
    13,037,554.80/19,556,332.20 = 12,785,612.40/x
  3. Step 3: Cross multiply
    13,037,554.80x = 19,556,332.20 × 12,785,612.40
  4. Step 4: Simplify right side
    13,037,554.80x = 250,039,683,474,839.28
  5. Step 5: Solve for x
    x = 250,039,683,474,839.28/13,037,554.80
  6. Step 6: Final answer
    x = 19,178,418.60

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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.