Home / 13,407,702.46-20,106,448.86-7,944,338.98

Finding the Fourth Proportional to 13,407,702.46, 20,106,448.86 and 7,944,338.98

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Solution

The fourth proportional to 13,407,702.46, 20,106,448.86 and 7,944,338.98 is: 11,913,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,702.46 : 20,106,448.86 = 7,944,338.98 : x
  2. Step 2: Convert to fraction form
    13,407,702.46/20,106,448.86 = 7,944,338.98/x
  3. Step 3: Cross multiply
    13,407,702.46x = 20,106,448.86 × 7,944,338.98
  4. Step 4: Simplify right side
    13,407,702.46x = 159,732,445,369,700.12
  5. Step 5: Solve for x
    x = 159,732,445,369,700.12/13,407,702.46
  6. Step 6: Final answer
    x = 11,913,483.75

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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.