Home / 26,808,001.20-40,212,001.80-19,249,729.20

Finding the Fourth Proportional to 26,808,001.20, 40,212,001.80 and 19,249,729.20

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Solution

The fourth proportional to 26,808,001.20, 40,212,001.80 and 19,249,729.20 is: 28,874,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808,001.20 : 40,212,001.80 = 19,249,729.20 : x
  2. Step 2: Convert to fraction form
    26,808,001.20/40,212,001.80 = 19,249,729.20/x
  3. Step 3: Cross multiply
    26,808,001.20x = 40,212,001.80 × 19,249,729.20
  4. Step 4: Simplify right side
    26,808,001.20x = 774,070,145,239,912.50
  5. Step 5: Solve for x
    x = 774,070,145,239,912.50/26,808,001.20
  6. Step 6: Final answer
    x = 28,874,593.80

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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.