Home / 13,807,138.77-20,710,707.55-13,116,726.79

Finding the Fourth Proportional to 13,807,138.77, 20,710,707.55 and 13,116,726.79

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Solution

The fourth proportional to 13,807,138.77, 20,710,707.55 and 13,116,726.79 is: 19,675,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,138.77 : 20,710,707.55 = 13,116,726.79 : x
  2. Step 2: Convert to fraction form
    13,807,138.77/20,710,707.55 = 13,116,726.79/x
  3. Step 3: Cross multiply
    13,807,138.77x = 20,710,707.55 × 13,116,726.79
  4. Step 4: Simplify right side
    13,807,138.77x = 271,656,692,495,356.62
  5. Step 5: Solve for x
    x = 271,656,692,495,356.62/13,807,138.77
  6. Step 6: Final answer
    x = 19,675,089.61

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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.