Home / 8,742,654-12,064,862.52-5,120,982

Finding the Fourth Proportional to 8,742,654, 12,064,862.52 and 5,120,982

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Solution

The fourth proportional to 8,742,654, 12,064,862.52 and 5,120,982 is: 7,066,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,654 : 12,064,862.52 = 5,120,982 : x
  2. Step 2: Convert to fraction form
    8,742,654/12,064,862.52 = 5,120,982/x
  3. Step 3: Cross multiply
    8,742,654x = 12,064,862.52 × 5,120,982
  4. Step 4: Simplify right side
    8,742,654x = 61,783,943,797,394.64
  5. Step 5: Solve for x
    x = 61,783,943,797,394.64/8,742,654
  6. Step 6: Final answer
    x = 7,066,955.16

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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.