Home / 21,893,897.18-30,214,209.18-12,104,973.68

Finding the Fourth Proportional to 21,893,897.18, 30,214,209.18 and 12,104,973.68

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Solution

The fourth proportional to 21,893,897.18, 30,214,209.18 and 12,104,973.68 is: 16,705,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,897.18 : 30,214,209.18 = 12,104,973.68 : x
  2. Step 2: Convert to fraction form
    21,893,897.18/30,214,209.18 = 12,104,973.68/x
  3. Step 3: Cross multiply
    21,893,897.18x = 30,214,209.18 × 12,104,973.68
  4. Step 4: Simplify right side
    21,893,897.18x = 365,742,206,885,914.38
  5. Step 5: Solve for x
    x = 365,742,206,885,914.38/21,893,897.18
  6. Step 6: Final answer
    x = 16,705,212.59

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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.