Home / 21,917,426.92-30,249,241.43-12,623,188.13

Finding the Fourth Proportional to 21,917,426.92, 30,249,241.43 and 12,623,188.13

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Solution

The fourth proportional to 21,917,426.92, 30,249,241.43 and 12,623,188.13 is: 17,421,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917,426.92 : 30,249,241.43 = 12,623,188.13 : x
  2. Step 2: Convert to fraction form
    21,917,426.92/30,249,241.43 = 12,623,188.13/x
  3. Step 3: Cross multiply
    21,917,426.92x = 30,249,241.43 × 12,623,188.13
  4. Step 4: Simplify right side
    21,917,426.92x = 381,841,865,259,752.75
  5. Step 5: Solve for x
    x = 381,841,865,259,752.75/21,917,426.92
  6. Step 6: Final answer
    x = 17,421,838.19

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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.