Home / 21,808,888.34-30,101,394.49-13,555,184.02

Finding the Fourth Proportional to 21,808,888.34, 30,101,394.49 and 13,555,184.02

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Solution

The fourth proportional to 21,808,888.34, 30,101,394.49 and 13,555,184.02 is: 18,709,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,888.34 : 30,101,394.49 = 13,555,184.02 : x
  2. Step 2: Convert to fraction form
    21,808,888.34/30,101,394.49 = 13,555,184.02/x
  3. Step 3: Cross multiply
    21,808,888.34x = 30,101,394.49 × 13,555,184.02
  4. Step 4: Simplify right side
    21,808,888.34x = 408,029,941,461,422.62
  5. Step 5: Solve for x
    x = 408,029,941,461,422.62/21,808,888.34
  6. Step 6: Final answer
    x = 18,709,341.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.