Home / 30,509,863.25-42,103,920.56-16,571,353.03

Finding the Fourth Proportional to 30,509,863.25, 42,103,920.56 and 16,571,353.03

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Solution

The fourth proportional to 30,509,863.25, 42,103,920.56 and 16,571,353.03 is: 22,868,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,509,863.25 : 42,103,920.56 = 16,571,353.03 : x
  2. Step 2: Convert to fraction form
    30,509,863.25/42,103,920.56 = 16,571,353.03/x
  3. Step 3: Cross multiply
    30,509,863.25x = 42,103,920.56 × 16,571,353.03
  4. Step 4: Simplify right side
    30,509,863.25x = 697,718,931,358,718.75
  5. Step 5: Solve for x
    x = 697,718,931,358,718.75/30,509,863.25
  6. Step 6: Final answer
    x = 22,868,635.16

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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.