Home / 28,871,695.13-39,833,130.56-16,472,881.35

Finding the Fourth Proportional to 28,871,695.13, 39,833,130.56 and 16,472,881.35

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Solution

The fourth proportional to 28,871,695.13, 39,833,130.56 and 16,472,881.35 is: 22,726,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,695.13 : 39,833,130.56 = 16,472,881.35 : x
  2. Step 2: Convert to fraction form
    28,871,695.13/39,833,130.56 = 16,472,881.35/x
  3. Step 3: Cross multiply
    28,871,695.13x = 39,833,130.56 × 16,472,881.35
  4. Step 4: Simplify right side
    28,871,695.13x = 656,166,433,431,574.62
  5. Step 5: Solve for x
    x = 656,166,433,431,574.62/28,871,695.13
  6. Step 6: Final answer
    x = 22,726,979.85

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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.