Home / 13,019,409.47-19,515,443.55-4,380,510.93

Finding the Fourth Proportional to 13,019,409.47, 19,515,443.55 and 4,380,510.93

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Solution

The fourth proportional to 13,019,409.47, 19,515,443.55 and 4,380,510.93 is: 6,566,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,409.47 : 19,515,443.55 = 4,380,510.93 : x
  2. Step 2: Convert to fraction form
    13,019,409.47/19,515,443.55 = 4,380,510.93/x
  3. Step 3: Cross multiply
    13,019,409.47x = 19,515,443.55 × 4,380,510.93
  4. Step 4: Simplify right side
    13,019,409.47x = 85,487,613,684,963.17
  5. Step 5: Solve for x
    x = 85,487,613,684,963.17/13,019,409.47
  6. Step 6: Final answer
    x = 6,566,166.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.