Home / 12,643,410.70-18,937,122.45-10,403,922.70

Finding the Fourth Proportional to 12,643,410.70, 18,937,122.45 and 10,403,922.70

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Solution

The fourth proportional to 12,643,410.70, 18,937,122.45 and 10,403,922.70 is: 15,582,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,410.70 : 18,937,122.45 = 10,403,922.70 : x
  2. Step 2: Convert to fraction form
    12,643,410.70/18,937,122.45 = 10,403,922.70/x
  3. Step 3: Cross multiply
    12,643,410.70x = 18,937,122.45 × 10,403,922.70
  4. Step 4: Simplify right side
    12,643,410.70x = 197,020,358,130,234.59
  5. Step 5: Solve for x
    x = 197,020,358,130,234.59/12,643,410.70
  6. Step 6: Final answer
    x = 15,582,848.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.