Home / 20,402,468.10-30,603,702.15-17,745,263.10

Finding the Fourth Proportional to 20,402,468.10, 30,603,702.15 and 17,745,263.10

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Solution

The fourth proportional to 20,402,468.10, 30,603,702.15 and 17,745,263.10 is: 26,617,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,468.10 : 30,603,702.15 = 17,745,263.10 : x
  2. Step 2: Convert to fraction form
    20,402,468.10/30,603,702.15 = 17,745,263.10/x
  3. Step 3: Cross multiply
    20,402,468.10x = 30,603,702.15 × 17,745,263.10
  4. Step 4: Simplify right side
    20,402,468.10x = 543,070,746,485,785.69
  5. Step 5: Solve for x
    x = 543,070,746,485,785.69/20,402,468.10
  6. Step 6: Final answer
    x = 26,617,894.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.