Home / 14,317,813.32-19,758,820.16-7,791,717.84

Finding the Fourth Proportional to 14,317,813.32, 19,758,820.16 and 7,791,717.84

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Solution

The fourth proportional to 14,317,813.32, 19,758,820.16 and 7,791,717.84 is: 10,752,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,813.32 : 19,758,820.16 = 7,791,717.84 : x
  2. Step 2: Convert to fraction form
    14,317,813.32/19,758,820.16 = 7,791,717.84/x
  3. Step 3: Cross multiply
    14,317,813.32x = 19,758,820.16 × 7,791,717.84
  4. Step 4: Simplify right side
    14,317,813.32x = 153,955,151,538,023.66
  5. Step 5: Solve for x
    x = 153,955,151,538,023.66/14,317,813.32
  6. Step 6: Final answer
    x = 10,752,700.02

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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.