Home / 13,531,810.19-20,315,036.52-11,624,921.15

Finding the Fourth Proportional to 13,531,810.19, 20,315,036.52 and 11,624,921.15

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Solution

The fourth proportional to 13,531,810.19, 20,315,036.52 and 11,624,921.15 is: 17,452,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,810.19 : 20,315,036.52 = 11,624,921.15 : x
  2. Step 2: Convert to fraction form
    13,531,810.19/20,315,036.52 = 11,624,921.15/x
  3. Step 3: Cross multiply
    13,531,810.19x = 20,315,036.52 × 11,624,921.15
  4. Step 4: Simplify right side
    13,531,810.19x = 236,160,697,602,795.19
  5. Step 5: Solve for x
    x = 236,160,697,602,795.19/13,531,810.19
  6. Step 6: Final answer
    x = 17,452,262.07

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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.