Home / 31,676,421.11-43,713,461.51-17,189,733.11

Finding the Fourth Proportional to 31,676,421.11, 43,713,461.51 and 17,189,733.11

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Solution

The fourth proportional to 31,676,421.11, 43,713,461.51 and 17,189,733.11 is: 23,721,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676,421.11 : 43,713,461.51 = 17,189,733.11 : x
  2. Step 2: Convert to fraction form
    31,676,421.11/43,713,461.51 = 17,189,733.11/x
  3. Step 3: Cross multiply
    31,676,421.11x = 43,713,461.51 × 17,189,733.11
  4. Step 4: Simplify right side
    31,676,421.11x = 751,422,736,671,157.50
  5. Step 5: Solve for x
    x = 751,422,736,671,157.50/31,676,421.11
  6. Step 6: Final answer
    x = 23,721,831.90

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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.