Home / 18,698,883.40-28,040,030.70-8,596,304.20

Finding the Fourth Proportional to 18,698,883.40, 28,040,030.70 and 8,596,304.20

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Solution

The fourth proportional to 18,698,883.40, 28,040,030.70 and 8,596,304.20 is: 12,890,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,883.40 : 28,040,030.70 = 8,596,304.20 : x
  2. Step 2: Convert to fraction form
    18,698,883.40/28,040,030.70 = 8,596,304.20/x
  3. Step 3: Cross multiply
    18,698,883.40x = 28,040,030.70 × 8,596,304.20
  4. Step 4: Simplify right side
    18,698,883.40x = 241,040,633,674,538.91
  5. Step 5: Solve for x
    x = 241,040,633,674,538.91/18,698,883.40
  6. Step 6: Final answer
    x = 12,890,643.17

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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.