Home / 8,687,449.36-11,988,681.52-4,819,961.28

Finding the Fourth Proportional to 8,687,449.36, 11,988,681.52 and 4,819,961.28

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Solution

The fourth proportional to 8,687,449.36, 11,988,681.52 and 4,819,961.28 is: 6,651,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,449.36 : 11,988,681.52 = 4,819,961.28 : x
  2. Step 2: Convert to fraction form
    8,687,449.36/11,988,681.52 = 4,819,961.28/x
  3. Step 3: Cross multiply
    8,687,449.36x = 11,988,681.52 × 4,819,961.28
  4. Step 4: Simplify right side
    8,687,449.36x = 57,784,980,724,651.55
  5. Step 5: Solve for x
    x = 57,784,980,724,651.55/8,687,449.36
  6. Step 6: Final answer
    x = 6,651,547.34

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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.