Home / 19,159,635.30-28,739,452.95-13,113,017.70

Finding the Fourth Proportional to 19,159,635.30, 28,739,452.95 and 13,113,017.70

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Solution

The fourth proportional to 19,159,635.30, 28,739,452.95 and 13,113,017.70 is: 19,669,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,635.30 : 28,739,452.95 = 13,113,017.70 : x
  2. Step 2: Convert to fraction form
    19,159,635.30/28,739,452.95 = 13,113,017.70/x
  3. Step 3: Cross multiply
    19,159,635.30x = 28,739,452.95 × 13,113,017.70
  4. Step 4: Simplify right side
    19,159,635.30x = 376,860,955,221,667.19
  5. Step 5: Solve for x
    x = 376,860,955,221,667.19/19,159,635.30
  6. Step 6: Final answer
    x = 19,669,526.55

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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.