Home / 10,366,613.68-15,549,920.52-7,138,109.60

Finding the Fourth Proportional to 10,366,613.68, 15,549,920.52 and 7,138,109.60

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Solution

The fourth proportional to 10,366,613.68, 15,549,920.52 and 7,138,109.60 is: 10,707,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,613.68 : 15,549,920.52 = 7,138,109.60 : x
  2. Step 2: Convert to fraction form
    10,366,613.68/15,549,920.52 = 7,138,109.60/x
  3. Step 3: Cross multiply
    10,366,613.68x = 15,549,920.52 × 7,138,109.60
  4. Step 4: Simplify right side
    10,366,613.68x = 110,997,036,943,048.98
  5. Step 5: Solve for x
    x = 110,997,036,943,048.98/10,366,613.68
  6. Step 6: Final answer
    x = 10,707,164.40

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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.