Home / 15,426,485.10-21,288,088.04-8,456,924.44

Finding the Fourth Proportional to 15,426,485.10, 21,288,088.04 and 8,456,924.44

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Solution

The fourth proportional to 15,426,485.10, 21,288,088.04 and 8,456,924.44 is: 11,670,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,485.10 : 21,288,088.04 = 8,456,924.44 : x
  2. Step 2: Convert to fraction form
    15,426,485.10/21,288,088.04 = 8,456,924.44/x
  3. Step 3: Cross multiply
    15,426,485.10x = 21,288,088.04 × 8,456,924.44
  4. Step 4: Simplify right side
    15,426,485.10x = 180,031,752,010,673.19
  5. Step 5: Solve for x
    x = 180,031,752,010,673.19/15,426,485.10
  6. Step 6: Final answer
    x = 11,670,302.78

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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.