Home / 21,893,895.18-30,214,206.42-12,104,971.68

Finding the Fourth Proportional to 21,893,895.18, 30,214,206.42 and 12,104,971.68

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Solution

The fourth proportional to 21,893,895.18, 30,214,206.42 and 12,104,971.68 is: 16,705,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,895.18 : 30,214,206.42 = 12,104,971.68 : x
  2. Step 2: Convert to fraction form
    21,893,895.18/30,214,206.42 = 12,104,971.68/x
  3. Step 3: Cross multiply
    21,893,895.18x = 30,214,206.42 × 12,104,971.68
  4. Step 4: Simplify right side
    21,893,895.18x = 365,742,113,047,774.19
  5. Step 5: Solve for x
    x = 365,742,113,047,774.19/21,893,895.18
  6. Step 6: Final answer
    x = 16,705,209.83

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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.