Home / 21,712,844.47-32,570,314.19-7,139,441.32

Finding the Fourth Proportional to 21,712,844.47, 32,570,314.19 and 7,139,441.32

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Solution

The fourth proportional to 21,712,844.47, 32,570,314.19 and 7,139,441.32 is: 10,709,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,844.47 : 32,570,314.19 = 7,139,441.32 : x
  2. Step 2: Convert to fraction form
    21,712,844.47/32,570,314.19 = 7,139,441.32/x
  3. Step 3: Cross multiply
    21,712,844.47x = 32,570,314.19 × 7,139,441.32
  4. Step 4: Simplify right side
    21,712,844.47x = 232,533,846,933,468.34
  5. Step 5: Solve for x
    x = 232,533,846,933,468.34/21,712,844.47
  6. Step 6: Final answer
    x = 10,709,506.41

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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.