Home / 13,122,001.80-19,683,002.70-12,282,193.80

Finding the Fourth Proportional to 13,122,001.80, 19,683,002.70 and 12,282,193.80

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Solution

The fourth proportional to 13,122,001.80, 19,683,002.70 and 12,282,193.80 is: 18,423,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,001.80 : 19,683,002.70 = 12,282,193.80 : x
  2. Step 2: Convert to fraction form
    13,122,001.80/19,683,002.70 = 12,282,193.80/x
  3. Step 3: Cross multiply
    13,122,001.80x = 19,683,002.70 × 12,282,193.80
  4. Step 4: Simplify right side
    13,122,001.80x = 241,750,453,727,323.25
  5. Step 5: Solve for x
    x = 241,750,453,727,323.25/13,122,001.80
  6. Step 6: Final answer
    x = 18,423,290.70

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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.