Home / 8,421,133.11-12,632,159.08-2,663,436.74

Finding the Fourth Proportional to 8,421,133.11, 12,632,159.08 and 2,663,436.74

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Solution

The fourth proportional to 8,421,133.11, 12,632,159.08 and 2,663,436.74 is: 3,995,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,133.11 : 12,632,159.08 = 2,663,436.74 : x
  2. Step 2: Convert to fraction form
    8,421,133.11/12,632,159.08 = 2,663,436.74/x
  3. Step 3: Cross multiply
    8,421,133.11x = 12,632,159.08 × 2,663,436.74
  4. Step 4: Simplify right side
    8,421,133.11x = 33,644,956,539,365.10
  5. Step 5: Solve for x
    x = 33,644,956,539,365.10/8,421,133.11
  6. Step 6: Final answer
    x = 3,995,300.41

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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.