Home / 15,051,778.64-20,772,024.34-8,436,488.34

Finding the Fourth Proportional to 15,051,778.64, 20,772,024.34 and 8,436,488.34

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Solution

The fourth proportional to 15,051,778.64, 20,772,024.34 and 8,436,488.34 is: 11,642,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,778.64 : 20,772,024.34 = 8,436,488.34 : x
  2. Step 2: Convert to fraction form
    15,051,778.64/20,772,024.34 = 8,436,488.34/x
  3. Step 3: Cross multiply
    15,051,778.64x = 20,772,024.34 × 8,436,488.34
  4. Step 4: Simplify right side
    15,051,778.64x = 175,242,941,142,606.19
  5. Step 5: Solve for x
    x = 175,242,941,142,606.19/15,051,778.64
  6. Step 6: Final answer
    x = 11,642,673.29

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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.