Home / 15,000,589.07-20,700,813.62-8,125,071.13

Finding the Fourth Proportional to 15,000,589.07, 20,700,813.62 and 8,125,071.13

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Solution

The fourth proportional to 15,000,589.07, 20,700,813.62 and 8,125,071.13 is: 11,212,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,589.07 : 20,700,813.62 = 8,125,071.13 : x
  2. Step 2: Convert to fraction form
    15,000,589.07/20,700,813.62 = 8,125,071.13/x
  3. Step 3: Cross multiply
    15,000,589.07x = 20,700,813.62 × 8,125,071.13
  4. Step 4: Simplify right side
    15,000,589.07x = 168,195,582,967,243.34
  5. Step 5: Solve for x
    x = 168,195,582,967,243.34/15,000,589.07
  6. Step 6: Final answer
    x = 11,212,598.53

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1.5x scale

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.