Home / 19,123,758.63-28,691,701.95-6,827,458.16

Finding the Fourth Proportional to 19,123,758.63, 28,691,701.95 and 6,827,458.16

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Solution

The fourth proportional to 19,123,758.63, 28,691,701.95 and 6,827,458.16 is: 10,243,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,758.63 : 28,691,701.95 = 6,827,458.16 : x
  2. Step 2: Convert to fraction form
    19,123,758.63/28,691,701.95 = 6,827,458.16/x
  3. Step 3: Cross multiply
    19,123,758.63x = 28,691,701.95 × 6,827,458.16
  4. Step 4: Simplify right side
    19,123,758.63x = 195,891,394,459,356.91
  5. Step 5: Solve for x
    x = 195,891,394,459,356.91/19,123,758.63
  6. Step 6: Final answer
    x = 10,243,352.17

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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.