Home / 15,130,031.25-20,879,447.99-9,697,523.25

Finding the Fourth Proportional to 15,130,031.25, 20,879,447.99 and 9,697,523.25

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Solution

The fourth proportional to 15,130,031.25, 20,879,447.99 and 9,697,523.25 is: 13,382,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130,031.25 : 20,879,447.99 = 9,697,523.25 : x
  2. Step 2: Convert to fraction form
    15,130,031.25/20,879,447.99 = 9,697,523.25/x
  3. Step 3: Cross multiply
    15,130,031.25x = 20,879,447.99 × 9,697,523.25
  4. Step 4: Simplify right side
    15,130,031.25x = 202,478,932,281,703.16
  5. Step 5: Solve for x
    x = 202,478,932,281,703.16/15,130,031.25
  6. Step 6: Final answer
    x = 13,382,585.20

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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.