Home / 28,878,935.04-39,871,046.88-18,583,549.92

Finding the Fourth Proportional to 28,878,935.04, 39,871,046.88 and 18,583,549.92

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Solution

The fourth proportional to 28,878,935.04, 39,871,046.88 and 18,583,549.92 is: 25,656,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,935.04 : 39,871,046.88 = 18,583,549.92 : x
  2. Step 2: Convert to fraction form
    28,878,935.04/39,871,046.88 = 18,583,549.92/x
  3. Step 3: Cross multiply
    28,878,935.04x = 39,871,046.88 × 18,583,549.92
  4. Step 4: Simplify right side
    28,878,935.04x = 740,945,590,057,140.38
  5. Step 5: Solve for x
    x = 740,945,590,057,140.38/28,878,935.04
  6. Step 6: Final answer
    x = 25,656,956.85

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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.