Home / 13,434,070.80-18,539,022.69-7,632,860.16

Finding the Fourth Proportional to 13,434,070.80, 18,539,022.69 and 7,632,860.16

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Solution

The fourth proportional to 13,434,070.80, 18,539,022.69 and 7,632,860.16 is: 10,533,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,070.80 : 18,539,022.69 = 7,632,860.16 : x
  2. Step 2: Convert to fraction form
    13,434,070.80/18,539,022.69 = 7,632,860.16/x
  3. Step 3: Cross multiply
    13,434,070.80x = 18,539,022.69 × 7,632,860.16
  4. Step 4: Simplify right side
    13,434,070.80x = 141,505,767,695,837.03
  5. Step 5: Solve for x
    x = 141,505,767,695,837.03/13,434,070.80
  6. Step 6: Final answer
    x = 10,533,349.85

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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.