Home / 10,388,051.40-15,582,077.10-7,868,627.40

Finding the Fourth Proportional to 10,388,051.40, 15,582,077.10 and 7,868,627.40

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Solution

The fourth proportional to 10,388,051.40, 15,582,077.10 and 7,868,627.40 is: 11,802,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,051.40 : 15,582,077.10 = 7,868,627.40 : x
  2. Step 2: Convert to fraction form
    10,388,051.40/15,582,077.10 = 7,868,627.40/x
  3. Step 3: Cross multiply
    10,388,051.40x = 15,582,077.10 × 7,868,627.40
  4. Step 4: Simplify right side
    10,388,051.40x = 122,609,558,817,972.55
  5. Step 5: Solve for x
    x = 122,609,558,817,972.55/10,388,051.40
  6. Step 6: Final answer
    x = 11,802,941.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.