Home / 13,759,814.10-18,988,555.59-7,564,966.20

Finding the Fourth Proportional to 13,759,814.10, 18,988,555.59 and 7,564,966.20

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Solution

The fourth proportional to 13,759,814.10, 18,988,555.59 and 7,564,966.20 is: 10,439,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,814.10 : 18,988,555.59 = 7,564,966.20 : x
  2. Step 2: Convert to fraction form
    13,759,814.10/18,988,555.59 = 7,564,966.20/x
  3. Step 3: Cross multiply
    13,759,814.10x = 18,988,555.59 × 7,564,966.20
  4. Step 4: Simplify right side
    13,759,814.10x = 143,647,781,225,171.06
  5. Step 5: Solve for x
    x = 143,647,781,225,171.06/13,759,814.10
  6. Step 6: Final answer
    x = 10,439,660.03

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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.