Home / 13,517,822.34-20,319,248.82-11,742,809.40

Finding the Fourth Proportional to 13,517,822.34, 20,319,248.82 and 11,742,809.40

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Solution

The fourth proportional to 13,517,822.34, 20,319,248.82 and 11,742,809.40 is: 17,651,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,822.34 : 20,319,248.82 = 11,742,809.40 : x
  2. Step 2: Convert to fraction form
    13,517,822.34/20,319,248.82 = 11,742,809.40/x
  3. Step 3: Cross multiply
    13,517,822.34x = 20,319,248.82 × 11,742,809.40
  4. Step 4: Simplify right side
    13,517,822.34x = 238,605,066,044,434.91
  5. Step 5: Solve for x
    x = 238,605,066,044,434.91/13,517,822.34
  6. Step 6: Final answer
    x = 17,651,146.76

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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.