Home / 14,402,765.70-19,877,696.73-8,291,451.78

Finding the Fourth Proportional to 14,402,765.70, 19,877,696.73 and 8,291,451.78

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Solution

The fourth proportional to 14,402,765.70, 19,877,696.73 and 8,291,451.78 is: 11,443,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402,765.70 : 19,877,696.73 = 8,291,451.78 : x
  2. Step 2: Convert to fraction form
    14,402,765.70/19,877,696.73 = 8,291,451.78/x
  3. Step 3: Cross multiply
    14,402,765.70x = 19,877,696.73 × 8,291,451.78
  4. Step 4: Simplify right side
    14,402,765.70x = 164,814,963,934,258.69
  5. Step 5: Solve for x
    x = 164,814,963,934,258.69/14,402,765.70
  6. Step 6: Final answer
    x = 11,443,285.78

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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.