Home / 28,453,425.19-42,680,168.57-13,317,985.51

Finding the Fourth Proportional to 28,453,425.19, 42,680,168.57 and 13,317,985.51

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Solution

The fourth proportional to 28,453,425.19, 42,680,168.57 and 13,317,985.51 is: 19,976,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,425.19 : 42,680,168.57 = 13,317,985.51 : x
  2. Step 2: Convert to fraction form
    28,453,425.19/42,680,168.57 = 13,317,985.51/x
  3. Step 3: Cross multiply
    28,453,425.19x = 42,680,168.57 × 13,317,985.51
  4. Step 4: Simplify right side
    28,453,425.19x = 568,413,866,299,626.62
  5. Step 5: Solve for x
    x = 568,413,866,299,626.62/28,453,425.19
  6. Step 6: Final answer
    x = 19,976,992.67

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1.5x scale

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.