Home / 18,918,904.36-26,108,087-10,217,076.12

Finding the Fourth Proportional to 18,918,904.36, 26,108,087 and 10,217,076.12

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Solution

The fourth proportional to 18,918,904.36, 26,108,087 and 10,217,076.12 is: 14,099,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,904.36 : 26,108,087 = 10,217,076.12 : x
  2. Step 2: Convert to fraction form
    18,918,904.36/26,108,087 = 10,217,076.12/x
  3. Step 3: Cross multiply
    18,918,904.36x = 26,108,087 × 10,217,076.12
  4. Step 4: Simplify right side
    18,918,904.36x = 266,748,312,226,582.41
  5. Step 5: Solve for x
    x = 266,748,312,226,582.41/18,918,904.36
  6. Step 6: Final answer
    x = 14,099,564.50

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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.