Home / 20,030,111.40-30,045,167.10-13,094,806.35

Finding the Fourth Proportional to 20,030,111.40, 30,045,167.10 and 13,094,806.35

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Solution

The fourth proportional to 20,030,111.40, 30,045,167.10 and 13,094,806.35 is: 19,642,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,111.40 : 30,045,167.10 = 13,094,806.35 : x
  2. Step 2: Convert to fraction form
    20,030,111.40/30,045,167.10 = 13,094,806.35/x
  3. Step 3: Cross multiply
    20,030,111.40x = 30,045,167.10 × 13,094,806.35
  4. Step 4: Simplify right side
    20,030,111.40x = 393,435,644,927,891.06
  5. Step 5: Solve for x
    x = 393,435,644,927,891.06/20,030,111.40
  6. Step 6: Final answer
    x = 19,642,209.53

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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.