Home / 13,365,918.57-18,444,985.43-7,254,347.85

Finding the Fourth Proportional to 13,365,918.57, 18,444,985.43 and 7,254,347.85

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Solution

The fourth proportional to 13,365,918.57, 18,444,985.43 and 7,254,347.85 is: 10,011,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,918.57 : 18,444,985.43 = 7,254,347.85 : x
  2. Step 2: Convert to fraction form
    13,365,918.57/18,444,985.43 = 7,254,347.85/x
  3. Step 3: Cross multiply
    13,365,918.57x = 18,444,985.43 × 7,254,347.85
  4. Step 4: Simplify right side
    13,365,918.57x = 133,806,340,361,130.08
  5. Step 5: Solve for x
    x = 133,806,340,361,130.08/13,365,918.57
  6. Step 6: Final answer
    x = 10,011,009.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.