Home / 13,759,810.61-18,988,550.80-7,564,962.72

Finding the Fourth Proportional to 13,759,810.61, 18,988,550.80 and 7,564,962.72

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Solution

The fourth proportional to 13,759,810.61, 18,988,550.80 and 7,564,962.72 is: 10,439,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,810.61 : 18,988,550.80 = 7,564,962.72 : x
  2. Step 2: Convert to fraction form
    13,759,810.61/18,988,550.80 = 7,564,962.72/x
  3. Step 3: Cross multiply
    13,759,810.61x = 18,988,550.80 × 7,564,962.72
  4. Step 4: Simplify right side
    13,759,810.61x = 143,647,678,889,913.75
  5. Step 5: Solve for x
    x = 143,647,678,889,913.75/13,759,810.61
  6. Step 6: Final answer
    x = 10,439,655.23

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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.