Home / 30,930,852.27-42,679,831.10-17,875,589.90

Finding the Fourth Proportional to 30,930,852.27, 42,679,831.10 and 17,875,589.90

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Solution

The fourth proportional to 30,930,852.27, 42,679,831.10 and 17,875,589.90 is: 24,665,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930,852.27 : 42,679,831.10 = 17,875,589.90 : x
  2. Step 2: Convert to fraction form
    30,930,852.27/42,679,831.10 = 17,875,589.90/x
  3. Step 3: Cross multiply
    30,930,852.27x = 42,679,831.10 × 17,875,589.90
  4. Step 4: Simplify right side
    30,930,852.27x = 762,927,157,442,088.75
  5. Step 5: Solve for x
    x = 762,927,157,442,088.75/30,930,852.27
  6. Step 6: Final answer
    x = 24,665,571.80

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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.