Home / 7,931,521.88-11,897,323.88-3,610,550.28

Finding the Fourth Proportional to 7,931,521.88, 11,897,323.88 and 3,610,550.28

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Solution

The fourth proportional to 7,931,521.88, 11,897,323.88 and 3,610,550.28 is: 5,415,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,521.88 : 11,897,323.88 = 3,610,550.28 : x
  2. Step 2: Convert to fraction form
    7,931,521.88/11,897,323.88 = 3,610,550.28/x
  3. Step 3: Cross multiply
    7,931,521.88x = 11,897,323.88 × 3,610,550.28
  4. Step 4: Simplify right side
    7,931,521.88x = 42,955,886,066,184.69
  5. Step 5: Solve for x
    x = 42,955,886,066,184.69/7,931,521.88
  6. Step 6: Final answer
    x = 5,415,844.11

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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.