Home / 14,155,291.40-21,248,902.20-9,372,322.40

Finding the Fourth Proportional to 14,155,291.40, 21,248,902.20 and 9,372,322.40

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Solution

The fourth proportional to 14,155,291.40, 21,248,902.20 and 9,372,322.40 is: 14,069,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155,291.40 : 21,248,902.20 = 9,372,322.40 : x
  2. Step 2: Convert to fraction form
    14,155,291.40/21,248,902.20 = 9,372,322.40/x
  3. Step 3: Cross multiply
    14,155,291.40x = 21,248,902.20 × 9,372,322.40
  4. Step 4: Simplify right side
    14,155,291.40x = 199,151,562,064,469.28
  5. Step 5: Solve for x
    x = 199,151,562,064,469.28/14,155,291.40
  6. Step 6: Final answer
    x = 14,069,054.21

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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.