Home / 12,856,276.55-17,742,173.37-7,055,265.89

Finding the Fourth Proportional to 12,856,276.55, 17,742,173.37 and 7,055,265.89

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Solution

The fourth proportional to 12,856,276.55, 17,742,173.37 and 7,055,265.89 is: 9,736,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,276.55 : 17,742,173.37 = 7,055,265.89 : x
  2. Step 2: Convert to fraction form
    12,856,276.55/17,742,173.37 = 7,055,265.89/x
  3. Step 3: Cross multiply
    12,856,276.55x = 17,742,173.37 × 7,055,265.89
  4. Step 4: Simplify right side
    12,856,276.55x = 125,175,750,503,116.48
  5. Step 5: Solve for x
    x = 125,175,750,503,116.48/12,856,276.55
  6. Step 6: Final answer
    x = 9,736,547.75

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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.