Home / 18,918,899.91-26,108,080.88-10,217,071.69

Finding the Fourth Proportional to 18,918,899.91, 26,108,080.88 and 10,217,071.69

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Solution

The fourth proportional to 18,918,899.91, 26,108,080.88 and 10,217,071.69 is: 14,099,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,899.91 : 26,108,080.88 = 10,217,071.69 : x
  2. Step 2: Convert to fraction form
    18,918,899.91/26,108,080.88 = 10,217,071.69/x
  3. Step 3: Cross multiply
    18,918,899.91x = 26,108,080.88 × 10,217,071.69
  4. Step 4: Simplify right side
    18,918,899.91x = 266,748,134,039,278.25
  5. Step 5: Solve for x
    x = 266,748,134,039,278.25/18,918,899.91
  6. Step 6: Final answer
    x = 14,099,558.39

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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.