Home / 19,518,116.70-26,944,518.87-12,995,607.90

Finding the Fourth Proportional to 19,518,116.70, 26,944,518.87 and 12,995,607.90

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Solution

The fourth proportional to 19,518,116.70, 26,944,518.87 and 12,995,607.90 is: 17,940,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518,116.70 : 26,944,518.87 = 12,995,607.90 : x
  2. Step 2: Convert to fraction form
    19,518,116.70/26,944,518.87 = 12,995,607.90/x
  3. Step 3: Cross multiply
    19,518,116.70x = 26,944,518.87 × 12,995,607.90
  4. Step 4: Simplify right side
    19,518,116.70x = 350,160,402,288,671.12
  5. Step 5: Solve for x
    x = 350,160,402,288,671.12/19,518,116.70
  6. Step 6: Final answer
    x = 17,940,276.09

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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.