Home / 12,944,655.40-19,416,983.10-12,776,693.80

Finding the Fourth Proportional to 12,944,655.40, 19,416,983.10 and 12,776,693.80

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Solution

The fourth proportional to 12,944,655.40, 19,416,983.10 and 12,776,693.80 is: 19,165,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,655.40 : 19,416,983.10 = 12,776,693.80 : x
  2. Step 2: Convert to fraction form
    12,944,655.40/19,416,983.10 = 12,776,693.80/x
  3. Step 3: Cross multiply
    12,944,655.40x = 19,416,983.10 × 12,776,693.80
  4. Step 4: Simplify right side
    12,944,655.40x = 248,084,847,588,474.81
  5. Step 5: Solve for x
    x = 248,084,847,588,474.81/12,944,655.40
  6. Step 6: Final answer
    x = 19,165,040.70

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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.