Home / 13,365,918.32-18,444,985.08-7,254,347.60

Finding the Fourth Proportional to 13,365,918.32, 18,444,985.08 and 7,254,347.60

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Solution

The fourth proportional to 13,365,918.32, 18,444,985.08 and 7,254,347.60 is: 10,011,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,918.32 : 18,444,985.08 = 7,254,347.60 : x
  2. Step 2: Convert to fraction form
    13,365,918.32/18,444,985.08 = 7,254,347.60/x
  3. Step 3: Cross multiply
    13,365,918.32x = 18,444,985.08 × 7,254,347.60
  4. Step 4: Simplify right side
    13,365,918.32x = 133,806,333,247,133.78
  5. Step 5: Solve for x
    x = 133,806,333,247,133.78/13,365,918.32
  6. Step 6: Final answer
    x = 10,011,009.35

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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.