Home / 28,548,199.51-39,396,547.23-15,495,454.91

Finding the Fourth Proportional to 28,548,199.51, 39,396,547.23 and 15,495,454.91

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Solution

The fourth proportional to 28,548,199.51, 39,396,547.23 and 15,495,454.91 is: 21,383,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,199.51 : 39,396,547.23 = 15,495,454.91 : x
  2. Step 2: Convert to fraction form
    28,548,199.51/39,396,547.23 = 15,495,454.91/x
  3. Step 3: Cross multiply
    28,548,199.51x = 39,396,547.23 × 15,495,454.91
  4. Step 4: Simplify right side
    28,548,199.51x = 610,467,421,252,533.75
  5. Step 5: Solve for x
    x = 610,467,421,252,533.75/28,548,199.51
  6. Step 6: Final answer
    x = 21,383,745.10

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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.