Home / 13,992,989.76-19,309,477.52-7,713,242.46

Finding the Fourth Proportional to 13,992,989.76, 19,309,477.52 and 7,713,242.46

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Solution

The fourth proportional to 13,992,989.76, 19,309,477.52 and 7,713,242.46 is: 10,643,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,989.76 : 19,309,477.52 = 7,713,242.46 : x
  2. Step 2: Convert to fraction form
    13,992,989.76/19,309,477.52 = 7,713,242.46/x
  3. Step 3: Cross multiply
    13,992,989.76x = 19,309,477.52 × 7,713,242.46
  4. Step 4: Simplify right side
    13,992,989.76x = 148,938,681,849,113.28
  5. Step 5: Solve for x
    x = 148,938,681,849,113.28/13,992,989.76
  6. Step 6: Final answer
    x = 10,643,806.96

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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.