Home / 19,683,121.20-29,524,681.80-13,943,558.40

Finding the Fourth Proportional to 19,683,121.20, 29,524,681.80 and 13,943,558.40

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Solution

The fourth proportional to 19,683,121.20, 29,524,681.80 and 13,943,558.40 is: 20,915,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,121.20 : 29,524,681.80 = 13,943,558.40 : x
  2. Step 2: Convert to fraction form
    19,683,121.20/29,524,681.80 = 13,943,558.40/x
  3. Step 3: Cross multiply
    19,683,121.20x = 29,524,681.80 × 13,943,558.40
  4. Step 4: Simplify right side
    19,683,121.20x = 411,679,124,919,717.12
  5. Step 5: Solve for x
    x = 411,679,124,919,717.12/19,683,121.20
  6. Step 6: Final answer
    x = 20,915,337.60

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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.