Home / 9,902,443.40-14,835,950.40-8,378,979.20

Finding the Fourth Proportional to 9,902,443.40, 14,835,950.40 and 8,378,979.20

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Solution

The fourth proportional to 9,902,443.40, 14,835,950.40 and 8,378,979.20 is: 12,553,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902,443.40 : 14,835,950.40 = 8,378,979.20 : x
  2. Step 2: Convert to fraction form
    9,902,443.40/14,835,950.40 = 8,378,979.20/x
  3. Step 3: Cross multiply
    9,902,443.40x = 14,835,950.40 × 8,378,979.20
  4. Step 4: Simplify right side
    9,902,443.40x = 124,310,119,813,831.69
  5. Step 5: Solve for x
    x = 124,310,119,813,831.69/9,902,443.40
  6. Step 6: Final answer
    x = 12,553,479.46

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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.