Home / 29,156,388.87-40,235,577.69-15,925,574.69

Finding the Fourth Proportional to 29,156,388.87, 40,235,577.69 and 15,925,574.69

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Solution

The fourth proportional to 29,156,388.87, 40,235,577.69 and 15,925,574.69 is: 21,977,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156,388.87 : 40,235,577.69 = 15,925,574.69 : x
  2. Step 2: Convert to fraction form
    29,156,388.87/40,235,577.69 = 15,925,574.69/x
  3. Step 3: Cross multiply
    29,156,388.87x = 40,235,577.69 × 15,925,574.69
  4. Step 4: Simplify right side
    29,156,388.87x = 640,774,697,697,392.62
  5. Step 5: Solve for x
    x = 640,774,697,697,392.62/29,156,388.87
  6. Step 6: Final answer
    x = 21,977,162.55

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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.