Home / 28,893,423.51-39,871,865.73-15,840,396.63

Finding the Fourth Proportional to 28,893,423.51, 39,871,865.73 and 15,840,396.63

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Solution

The fourth proportional to 28,893,423.51, 39,871,865.73 and 15,840,396.63 is: 21,859,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893,423.51 : 39,871,865.73 = 15,840,396.63 : x
  2. Step 2: Convert to fraction form
    28,893,423.51/39,871,865.73 = 15,840,396.63/x
  3. Step 3: Cross multiply
    28,893,423.51x = 39,871,865.73 × 15,840,396.63
  4. Step 4: Simplify right side
    28,893,423.51x = 631,586,167,541,304.50
  5. Step 5: Solve for x
    x = 631,586,167,541,304.50/28,893,423.51
  6. Step 6: Final answer
    x = 21,859,166.93

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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.