Home / 8,333,937.81-12,563,371.17-7,778,415.96

Finding the Fourth Proportional to 8,333,937.81, 12,563,371.17 and 7,778,415.96

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Solution

The fourth proportional to 8,333,937.81, 12,563,371.17 and 7,778,415.96 is: 11,725,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,937.81 : 12,563,371.17 = 7,778,415.96 : x
  2. Step 2: Convert to fraction form
    8,333,937.81/12,563,371.17 = 7,778,415.96/x
  3. Step 3: Cross multiply
    8,333,937.81x = 12,563,371.17 × 7,778,415.96
  4. Step 4: Simplify right side
    8,333,937.81x = 97,723,126,820,131.88
  5. Step 5: Solve for x
    x = 97,723,126,820,131.88/8,333,937.81
  6. Step 6: Final answer
    x = 11,725,924.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.