Home / 13,038,243.84-17,991,904-7,884,447.36

Finding the Fourth Proportional to 13,038,243.84, 17,991,904 and 7,884,447.36

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Solution

The fourth proportional to 13,038,243.84, 17,991,904 and 7,884,447.36 is: 10,880,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038,243.84 : 17,991,904 = 7,884,447.36 : x
  2. Step 2: Convert to fraction form
    13,038,243.84/17,991,904 = 7,884,447.36/x
  3. Step 3: Cross multiply
    13,038,243.84x = 17,991,904 × 7,884,447.36
  4. Step 4: Simplify right side
    13,038,243.84x = 141,856,219,994,173.44
  5. Step 5: Solve for x
    x = 141,856,219,994,173.44/13,038,243.84
  6. Step 6: Final answer
    x = 10,880,009.74

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1.5x scale

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.