Home / 15,490,682.38-21,377,023.71-8,521,210.24

Finding the Fourth Proportional to 15,490,682.38, 21,377,023.71 and 8,521,210.24

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Solution

The fourth proportional to 15,490,682.38, 21,377,023.71 and 8,521,210.24 is: 11,759,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,682.38 : 21,377,023.71 = 8,521,210.24 : x
  2. Step 2: Convert to fraction form
    15,490,682.38/21,377,023.71 = 8,521,210.24/x
  3. Step 3: Cross multiply
    15,490,682.38x = 21,377,023.71 × 8,521,210.24
  4. Step 4: Simplify right side
    15,490,682.38x = 182,158,113,338,374.81
  5. Step 5: Solve for x
    x = 182,158,113,338,374.81/15,490,682.38
  6. Step 6: Final answer
    x = 11,759,205.24

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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.