Home / 19,186,540.90-28,742,486.55-11,590,944.10

Finding the Fourth Proportional to 19,186,540.90, 28,742,486.55 and 11,590,944.10

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Solution

The fourth proportional to 19,186,540.90, 28,742,486.55 and 11,590,944.10 is: 17,363,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,540.90 : 28,742,486.55 = 11,590,944.10 : x
  2. Step 2: Convert to fraction form
    19,186,540.90/28,742,486.55 = 11,590,944.10/x
  3. Step 3: Cross multiply
    19,186,540.90x = 28,742,486.55 × 11,590,944.10
  4. Step 4: Simplify right side
    19,186,540.90x = 333,152,554,896,051.88
  5. Step 5: Solve for x
    x = 333,152,554,896,051.88/19,186,540.90
  6. Step 6: Final answer
    x = 17,363,867.55

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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.