Home / 13,368,291.84-18,443,074.80-7,565,742.72

Finding the Fourth Proportional to 13,368,291.84, 18,443,074.80 and 7,565,742.72

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Solution

The fourth proportional to 13,368,291.84, 18,443,074.80 and 7,565,742.72 is: 10,437,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,291.84 : 18,443,074.80 = 7,565,742.72 : x
  2. Step 2: Convert to fraction form
    13,368,291.84/18,443,074.80 = 7,565,742.72/x
  3. Step 3: Cross multiply
    13,368,291.84x = 18,443,074.80 × 7,565,742.72
  4. Step 4: Simplify right side
    13,368,291.84x = 139,535,558,902,515.45
  5. Step 5: Solve for x
    x = 139,535,558,902,515.45/13,368,291.84
  6. Step 6: Final answer
    x = 10,437,800.17

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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.