Home / 21,712,845.84-32,570,316.26-7,139,442.70

Finding the Fourth Proportional to 21,712,845.84, 32,570,316.26 and 7,139,442.70

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Solution

The fourth proportional to 21,712,845.84, 32,570,316.26 and 7,139,442.70 is: 10,709,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,845.84 : 32,570,316.26 = 7,139,442.70 : x
  2. Step 2: Convert to fraction form
    21,712,845.84/32,570,316.26 = 7,139,442.70/x
  3. Step 3: Cross multiply
    21,712,845.84x = 32,570,316.26 × 7,139,442.70
  4. Step 4: Simplify right side
    21,712,845.84x = 232,533,906,659,148.31
  5. Step 5: Solve for x
    x = 232,533,906,659,148.31/21,712,845.84
  6. Step 6: Final answer
    x = 10,709,508.48

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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.