Home / 10,366,578.30-15,549,867.45-7,138,074.23

Finding the Fourth Proportional to 10,366,578.30, 15,549,867.45 and 7,138,074.23

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Solution

The fourth proportional to 10,366,578.30, 15,549,867.45 and 7,138,074.23 is: 10,707,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,578.30 : 15,549,867.45 = 7,138,074.23 : x
  2. Step 2: Convert to fraction form
    10,366,578.30/15,549,867.45 = 7,138,074.23/x
  3. Step 3: Cross multiply
    10,366,578.30x = 15,549,867.45 × 7,138,074.23
  4. Step 4: Simplify right side
    10,366,578.30x = 110,996,108,047,011.47
  5. Step 5: Solve for x
    x = 110,996,108,047,011.47/10,366,578.30
  6. Step 6: Final answer
    x = 10,707,111.34

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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.