Home / 21,712,846.49-32,570,317.23-7,139,443.34

Finding the Fourth Proportional to 21,712,846.49, 32,570,317.23 and 7,139,443.34

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Solution

The fourth proportional to 21,712,846.49, 32,570,317.23 and 7,139,443.34 is: 10,709,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,846.49 : 32,570,317.23 = 7,139,443.34 : x
  2. Step 2: Convert to fraction form
    21,712,846.49/32,570,317.23 = 7,139,443.34/x
  3. Step 3: Cross multiply
    21,712,846.49x = 32,570,317.23 × 7,139,443.34
  4. Step 4: Simplify right side
    21,712,846.49x = 232,533,934,429,410.75
  5. Step 5: Solve for x
    x = 232,533,934,429,410.75/21,712,846.49
  6. Step 6: Final answer
    x = 10,709,509.44

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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.