Home / 7,149,590.51-9,866,530.10-3,886,455.29

Finding the Fourth Proportional to 7,149,590.51, 9,866,530.10 and 3,886,455.29

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Solution

The fourth proportional to 7,149,590.51, 9,866,530.10 and 3,886,455.29 is: 5,363,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,590.51 : 9,866,530.10 = 3,886,455.29 : x
  2. Step 2: Convert to fraction form
    7,149,590.51/9,866,530.10 = 3,886,455.29/x
  3. Step 3: Cross multiply
    7,149,590.51x = 9,866,530.10 × 3,886,455.29
  4. Step 4: Simplify right side
    7,149,590.51x = 38,345,828,081,656.95
  5. Step 5: Solve for x
    x = 38,345,828,081,656.95/7,149,590.51
  6. Step 6: Final answer
    x = 5,363,360.05

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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.