Home / 21,712,845.49-32,570,315.73-7,139,442.34

Finding the Fourth Proportional to 21,712,845.49, 32,570,315.73 and 7,139,442.34

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Solution

The fourth proportional to 21,712,845.49, 32,570,315.73 and 7,139,442.34 is: 10,709,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,845.49 : 32,570,315.73 = 7,139,442.34 : x
  2. Step 2: Convert to fraction form
    21,712,845.49/32,570,315.73 = 7,139,442.34/x
  3. Step 3: Cross multiply
    21,712,845.49x = 32,570,315.73 × 7,139,442.34
  4. Step 4: Simplify right side
    21,712,845.49x = 232,533,891,149,930
  5. Step 5: Solve for x
    x = 232,533,891,149,930/21,712,845.49
  6. Step 6: Final answer
    x = 10,709,507.94

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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.