Home / 12,742,156.17-17,583,608.25-7,444,342.13

Finding the Fourth Proportional to 12,742,156.17, 17,583,608.25 and 7,444,342.13

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Solution

The fourth proportional to 12,742,156.17, 17,583,608.25 and 7,444,342.13 is: 10,272,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,156.17 : 17,583,608.25 = 7,444,342.13 : x
  2. Step 2: Convert to fraction form
    12,742,156.17/17,583,608.25 = 7,444,342.13/x
  3. Step 3: Cross multiply
    12,742,156.17x = 17,583,608.25 × 7,444,342.13
  4. Step 4: Simplify right side
    12,742,156.17x = 130,898,395,604,972.53
  5. Step 5: Solve for x
    x = 130,898,395,604,972.53/12,742,156.17
  6. Step 6: Final answer
    x = 10,272,860.72

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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.