Home / 30,227,808.80-45,341,713.20-19,478,266.40

Finding the Fourth Proportional to 30,227,808.80, 45,341,713.20 and 19,478,266.40

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Solution

The fourth proportional to 30,227,808.80, 45,341,713.20 and 19,478,266.40 is: 29,217,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227,808.80 : 45,341,713.20 = 19,478,266.40 : x
  2. Step 2: Convert to fraction form
    30,227,808.80/45,341,713.20 = 19,478,266.40/x
  3. Step 3: Cross multiply
    30,227,808.80x = 45,341,713.20 × 19,478,266.40
  4. Step 4: Simplify right side
    30,227,808.80x = 883,177,968,741,996.50
  5. Step 5: Solve for x
    x = 883,177,968,741,996.50/30,227,808.80
  6. Step 6: Final answer
    x = 29,217,399.60

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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.