Home / 13,094,684.64-18,071,573.04-7,938,263.52

Finding the Fourth Proportional to 13,094,684.64, 18,071,573.04 and 7,938,263.52

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Solution

The fourth proportional to 13,094,684.64, 18,071,573.04 and 7,938,263.52 is: 10,955,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,684.64 : 18,071,573.04 = 7,938,263.52 : x
  2. Step 2: Convert to fraction form
    13,094,684.64/18,071,573.04 = 7,938,263.52/x
  3. Step 3: Cross multiply
    13,094,684.64x = 18,071,573.04 × 7,938,263.52
  4. Step 4: Simplify right side
    13,094,684.64x = 143,456,909,012,447.50
  5. Step 5: Solve for x
    x = 143,456,909,012,447.50/13,094,684.64
  6. Step 6: Final answer
    x = 10,955,354.25

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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.