Home / 15,226,210.79-21,013,499.55-8,352,021.45

Finding the Fourth Proportional to 15,226,210.79, 21,013,499.55 and 8,352,021.45

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Solution

The fourth proportional to 15,226,210.79, 21,013,499.55 and 8,352,021.45 is: 11,526,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226,210.79 : 21,013,499.55 = 8,352,021.45 : x
  2. Step 2: Convert to fraction form
    15,226,210.79/21,013,499.55 = 8,352,021.45/x
  3. Step 3: Cross multiply
    15,226,210.79x = 21,013,499.55 × 8,352,021.45
  4. Step 4: Simplify right side
    15,226,210.79x = 175,505,198,981,165.34
  5. Step 5: Solve for x
    x = 175,505,198,981,165.34/15,226,210.79
  6. Step 6: Final answer
    x = 11,526,518.41

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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.